Top Definition
A high-caffeine soft drink Ted & Marshall use for long drives to Chicago on HIMYM.
"I got 6 cans of tantrum.. Well 4...one burned thru the can and one i drank already. AHHH TANTRUM!!!!!"
by spicysparklez October 22, 2009
2 more definitions
a fit
not getting your way
by d girl April 07, 2003
Something that is totally wicked or awesome
Dude that nollie flip was tantrum!
by P Nar March 06, 2004

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