1 definition by thelevinsonhorse
when something unbelievable and/or awesome has just been done and/or completed. the ULTIMATE achievement. the BEST thing of all things.
ME:yo dude, you finally blaze that girl or what?
FRIEND:yea dude, i was all up in that last night.
ME:BOOM!
FRIEND:yea dude, i was all up in that last night.
ME:BOOM!
by thelevinsonhorse July 15, 2011