Covering someone in a blanket (preferably one with dick-sized holes) and then proceeding to fornicate with them through the blanket. waaaahoooo.
BillyBang: Yo, girl! Let's blanket fuck!
by ryan fearon February 29, 2008
Everyone on our shift had to stay 5 hours extra. We were completely blanketfucked.
by Timmah February 24, 2004