Top Definition
another word for nifty, spiffy, or a variation of that; too amazingly cool to be human
dude, that shit's trifty.
by yllek January 14, 2007
1 more definition
A slang term for a General Motors 350 cubic inch engine commonly found in muscle cars and pickup trucks.
You should drop a trifty in that thing
She's got a trifty in er.
by JasonWin July 13, 2009

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