1 definition by Evil_Mufassa

Top Definition
When you and your partner have sex in a car, the windows fog up. this is hot boxin. Or when you and your friends light up a joint and the smoke clings to the windows.
boy: last night i took my gal to makeout point
friend: oh yeah! what happend
boy: well we were getting hot and heavy but we had to stop
friend: why?
boy: the po-po came when the car started hot boxin
#carz #blowjob #hot #slut #whore
by Evil_Mufassa November 26, 2007
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