the blanket that one uses to cover their penis while masturbating. The blanket can be used as plausible deniability if someone walks into the vicinity.
Jeff: Aww man, my sister caught me wanking in the basement last Saturday.
Tony: That's your fault bro, that almost happened to me but I covered it up with a masturblanket and made it look like I was just laying down watching TV.
Tony: That's your fault bro, that almost happened to me but I covered it up with a masturblanket and made it look like I was just laying down watching TV.
by BRAPS July 25, 2012
The blanket one masturbates into/on or uses to wipe up cum, to prevent cum stains from getting on their furniture.
I was having company over so I threw my crispy masturblanket in the laundry machine, after cumming onto it one last time.
by ChippyLongcockings May 7, 2019