by Addison Choi February 15, 2010

A blanket shark is formed when a man gets sexually excited and produces an erect penis while under blankets.
by Weaselbitch July 31, 2016

when you have a body part hanging out from under the blanket leaving it free for the un-friendly demon dudes to completely rape it.
Dude 1:"Yo bro, I saw you breaking blanket law last night."
Dude 2:"That must be why I felt violated."
Dude 2:"That must be why I felt violated."
by UnderpaidRobloxStaff May 28, 2019

by Ashtray85 October 8, 2017

When you go on a all out porn binge and have no tissues so your blankets takes the shape of a prison shank.
The other day i walked in on my son masturbating and he was quickly on guard with his blanket blade, good thing i had one also otherwise I'd be a goner.
by Tantibus September 22, 2014

by Bubbito October 18, 2019

A person who stays under a blanket all day in his underwear, hiding from life, playing pocket pool in his pants.
by Evan the rapper August 28, 2017
