An extremely sexy beast, loves to smoke weed, is usually a short person, is extremely horny all the time, has a tiny cock, somehow gets a girlfriend against all odds, just a weird-ass person.
The female version of a Papa Smirk. A Mama Smirk is a woman who is beautiful, a stoner, short, and has small breasts; despite any given situation, she still manages to attract a partner. She is a very unique character all around.
"You see that girl over there? She's a realMamaSmirk."