free-muffin

When a girl "goes commando." Opposite of a guy who's "free-ballin"

From Family Guy: Ugh, look at Miss Tammy. What a skank. She's free-muffin it at a baby school.

by mysuppletweets September 29, 2015

free muffin it

The act of a woman not wearing underwear. (female version of freeballing)

"all of my underwear are dirty so I'm free muffin it"

"Wow! This is the third night this week that lindsay lohan has been snapped by photographers while she was free muffin it"

by kickgirl91 May 15, 2013