Top definition
An item of apparel (eg. underwear) designed for either warming &/or covering the entirety or majority of a woman's muff (vagina, pussy, beef curtains, etc.).
"Just remember girls, no muff jacket's in the hot tub".

"May I remove your muff jacket with my teeth?"

"Hey Bucky, is that new muff jacket adequately warming your vagina?"
by Muffjacket May 23, 2013
Mug icon

Golden Shower Plush

He's warmer than you think.

Buy the plush