n.

1. A thin crisp wafer or biscuit, usually made of unsweetened dough.
2. One that cracks, especially:
   1. A firecracker.
   2. A small cardboard cylinder covered with decorative paper that holds candy or a party favor and pops when a paper strip is pulled at one or both ends and torn.
   3. The apparatus used in the cracking of petroleum.
   4. One who makes unauthorized use of a computer, especially to tamper with data or programs.
3. Offensive.
   1. Used as a disparaging term for a poor white person of the rural, especially southeast United States.
   2. Used as a disparaging term for a white person.

One who breaks security on a system. Coined ca. 1985 by hackers in defense against journalistic misuse of hacker (q.v., sense 8). An earlier attempt to establish worm in this sense around 1981--82 on Usenet was largely a failure.

Use of both these neologisms reflects a strong revulsion against the theft and vandalism perpetrated by cracking rings. The neologism “cracker” in this sense may have been influenced not so much by the term “safe-cracker” as by the non-jargon term “cracker”, which in Middle English meant an obnoxious person (e.g., “What cracker is this same that deafs our ears / With this abundance of superfluous breath?” — Shakespeare's King John, Act II, Scene I) and in modern colloquial American English survives as a barely gentler synonym for “white trash”.

While it is expected that any real hacker will have done some playful cracking and knows many of the basic techniques, anyone past larval stage is expected to have outgrown the desire to do so except for immediate, benign, practical reasons (for example, if it's necessary to get around some security in order to get some work done).

Thus, there is far less overlap between hackerdom and crackerdom than the mundane reader misled by sensationalistic journalism might expect. Crackers tend to gather in small, tight-knit, very secretive groups that have little overlap with the huge, open poly-culture this lexicon describes; though crackers often like to describe themselves as hackers, most true hackers consider them a separate and lower form of life. An easy way for outsiders to spot the difference is that crackers use grandiose screen names that conceal their identities. Hackers never do this; they only rarely use noms de guerre at all, and when they do it is for display rather than concealment.

Ethical considerations aside, hackers figure that anyone who can't imagine a more interesting way to play with their computers than breaking into someone else's has to be pretty losing. Some other reasons crackers are looked down on are discussed in the entries on cracking and phreaking. See also samurai, dark-side hacker, and hacker ethic. For a portrait of the typical teenage cracker, see warez d00dz.

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Of little worth; term used to describe old sheep in poor condition and with no teeth.

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Dansk (Danish)
n. - knallert, kanonslag, kiks, berømthed, fattig hvid person

Nederlands (Dutch)
rotje, (noten)kraker, cracker, stuk (iemand), arm blank persoon

Français (French)
n. - cracker, biscuit salé, pétard, diablotin (pour Noël), (US) pauvre Blanc (injur), (GB) canon, beauté (fam)

Deutsch (German)
n. - Knallkörper, Kräcker

Ελληνική (Greek)
n. - βαρελότο, κροτίδα, λεπτό μπισκότο, κράκερ, (καθομ.) κόμματος, μανούλι, υπέροχο δείγμα

Italiano (Italian)
(volg.) bianco, cracker, petardo

idioms:

• cream cracker    cracker

Português (Portuguese)
n. - bolacha (f), bomba (f) de São João

Русский (Russian)
петарда, что-то особенное

Español (Spanish)
n. - petardo, buscapiés

Svenska (Swedish)
n. - knäppare (för nötter), smällare, tunt smörgåskex, baddare (sl.), kracker (kem.), vit fattiglapp (am. sl.)

中文（简体） (Chinese (Simplified))
饼干, 胡桃夹, 爆竹, 解密高手

中文（繁體） (Chinese (Traditional))
n. - 餅乾, 胡桃夾, 爆竹, 解密高手

한국어 (Korean)
n. - 크래커, 백인 인민, 거짓말쟁이

日本語 (Japanese)
n. - クラッカー, かんしゃく玉, 爆竹, 破砕器

العربيه (Arabic)
‏(الاسم) نوع من الألعاب الناريه, نوع من البسكويت, كسارة الجوز‏

עברית (Hebrew)
n. - ‮רקיק, חתיכה, זיקוקין-די-נור, מציה‬

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cracker	lobster cracker made in england
cracker barrel	nut cracker toy maker