Top Definition
To purposely become intoxicated and either pass out or sleep on a floor/bed/sofa/animal/member of the opposite sex at an appropriate social event.
"Mark, are you smashing and crashing at that partay tomorrow?"

"Aye, I am pulling a 'smash and crash' tomorrow Alex"
by alexbericheath August 08, 2008
10 Words related to Smash and Crash

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