A sexually oriented prank where you have sex on someone's pillow, and ejaculate on the other side. So, when the victim lays on their pillow, and it smells a bit like sex, they instictively turn it over, and lay their head on the other side, or Plan B.
by Dirty 'lil bastard March 26, 2009
Get the Plan Bmug. by Marty Choad June 20, 2005
Get the Plan Bmug. Jill, obviously on plan B, went to the bathroom after the big dinner, coming out with a moist face, looking refreshed, and trying to eat some desert.
by Monty James November 22, 2004
Get the Plan Bmug. by NIGHTMOOSE February 19, 2011
Get the Plan Bmug. by Jon T July 23, 2008
Get the Plan Bmug. A pill you can take if he says he’s going to pull out but he nuts in you and you gotta take this pill within 24 hours of the intercourse so it’ll go away
by Bruhitsmeh619 November 6, 2017
Get the Plan Bmug. by bobblah May 19, 2009
Get the Plan Bmug.