To spunk in ones trunk is simply another way off explaining ejaculation from a mans penis in the anus after climaxing during anal sex. The 'spunk' left in the anal canal after the anal sex has taken place is now classed as spunk in the trunk. A man wanting anal sex with a lady (or man) may say 'I would like to spunk in your trunk'
When a male reaches climax during anal sex and ejaculates. with either a woman or another man, this is deemed a Spunk in trunk moment
by lotsofloprabbits December 8, 2013
by Irritatus Maximus October 4, 2007
by aidan October 19, 2003
The pants every male owns that he wears solely around the house and never washes and they have a conspicuous crusty stain somewhere on the front that is the result of misplaced ejaculants which occured some weeks or months before and now just hangs on for the ride.
had on me spunk trunks and my mates girlfriend showed up and I had to do the old "place different random objects over my crotch area to cover my spunk" trick, worked like a charm
by boners mcgee 2 February 5, 2011
Any rear-end (butt, ass, or man hole, etc.) that has been fucked and ejaculated in. Fucked and filled.
by PHLbtfckBROS November 28, 2017
this is a sexual act involving two people in the trunk of a car having intercourse while someone drives them around without knowing what's going on
by creamy maggot girl February 24, 2022