I think the first time I heard it was from the character "Cartman" on South Park.
The slang expression "sweet" likely originated in American English and has been used to signify something positive or pleasing since the 1970s. It may have evolved from the use of "sweet" to describe something that is pleasing to the taste, which then expanded to describe anything enjoyable or desirable.
Hippy slang originated with hippies in the 1960's
Essex
The proper spelling for the slang word is "doggone." It is a casual expression used to convey mild annoyance or frustration.
The term "Cowabunga" originated in the 1960s from the TV show "Surf's Up! The Beach Boys On Safari," later popularized by the Teenage Mutant Ninja Turtles cartoon in the late 1980s as "Cowabunga." It is a slang expression used to convey excitement or surprise.
Dog end is a Cockney slang word for the last part of a cigarette, originating with army veterans in the early 1920's. ( Partridges Concise Dictionary of Slang )
Sweet Fanny Addams
Gander is a noun and a 'slang' expression 'to have a look at' and comes from an Old English word 'Gandra'. It also refers to a long necked bird looking about
Hippy slang originated with hippies in the 1960's
When did the slang word "tick" meaning to make one mad, originate
Chilling.
Essex
As an expression "tube" is usually used as slang for television.
non it is slang
It's Australian slang
In Cockney slang, "trouble" is used as a slang term for "wife".
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The button.