Narc. 21 Jump Street originally ran on the Fox network from 1987-1990. 21 Jump Street is the headquarters for a squad of police officers who specialize in investigations relating to young people.
Instead of saying : "That fucker Ronnie, he is such a narc. He told the cops I was smoking pot in the bathroom.", say : "That fucker Ronnie is so the guy from 21 Jump St."

by Amanda August 02, 2003
Top Definition
1) Not the Cheat.
"Who's the guy from 21 Jump Street? NOT THE CHEAT NOT THE CHEAT"
by January 23, 2003
Ian Tombelson (Will Ferrel) Saturday Night Live Jarreds Room
"What's his address? 21 jump st.?"
by Anonymous September 05, 2003
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