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1. Used as an exclamation of victory. Named for the Triumph tr5, a rare automobile built in the United Kingdom between 1967-1968.

2. A farewell or "signoff" encouraging good fortune to friends or loved ones.
Example:
1. "Oh man, did you just see Johnathon bench press that Cadillac? tr5 baby!"

2. "Good luck getting the kangaroo back into the cage, I'm leaving. tr5."
by Penguinrecorder October 07, 2009
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Jun 29 Word of the Day
to tell someone to calm down and relax.
"OMG IM GONNA FAIL MY TEST AND MY PARENTS R GONNA KILL ME AND IM GONNA GET GROUNDED AND-"
"-hey, hey HEY."
"what?"
"WOOOOSAHHHH"
by Ashley Laberge March 12, 2004
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