Do people joke because they are a joke
No, people joke to amuse others.
wiki.answers.com/Q/Do_people_joke_because_they_are_a_joke

Why is a joke called joke
The word "joke" comes from the Latin word jocus , meaning the same thing.
wiki.answers.com/Q/Why_is_a_joke_called_joke

What makes a joke a joke
A joke is something that people can relate to but find it funny. IT probably isn't funny
wiki.answers.com/Q/What_makes_a_joke_a_joke

What is a joke
A joke is a statement, question, or story used with the intent of making someone laugh. Joke means
wiki.answers.com/Q/What_is_a_joke

Do you say 'to do a joke' or 'to make a joke'
you say to MAKE a joke when you invent one but you say "do" when it is someone else's joke.
wiki.answers.com/Q/Do_you_say_'to_do_a_joke'_or_'to_make_a_joke'

Jokes (psychoanalysis)
Jokes A "joke" is an incongruous or tendentious verbal message, which, by discharging
www.answers.com/topic/jokes-psychoanalysis

Jokes (Album by Kidcrash)
Jokes Buy Now Artist: Kidcrash Type: Lyrics are included with the album Genre: Rock Tracks
www.answers.com/topic/jokes-album-by-kidcrash

Jokes (Album by Murray Head)
Jokes Artist: Murray Head Genre: Rock Previous: Jokes (2009 Album by Quintetto Bislacco
www.answers.com/topic/jokes-album-by-murray-head

The Jokes on You (1995 Album by Trash Brats)
The Jokes on You Artist: Trash Brats Release Date: 1995 Genre: Rock Tracks Track Title
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The Jokes on Me (2005 Album by Blind Jackson)
The Jokes on Me Buy Now Artist: Blind Jackson Release Date: 2005 Type: Single Genre: Rock
www.answers.com/topic/the-jokes-on-me-2005-album-by-blind-jackson