STID(redirected from S.T.I.D.)
slang An initialism of "still true if destroyed," written alongside instances of graffiti to indicate the sincerity and immutability of what it says. Primarily heard in UK. Someone had carved "Matt & Jenny 4EVER SDIT" in the side of the tree.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.