Mother I'd Like to Fuck. Hot, sexually attractive woman in her 30s or 40s. Lusted after by horny teenage boys, who coined the term. The MILF may or may not give herself up to the horny friends of her teenage son.
Kid #1-Dude, I fucked that big-titted blonde MILF Donna! She is a total freak in bed, dude!
Kid #2-Dude, that's my mom.
acronym for "Mom I'd Like to Fuck"; generally an older woman who has beared offspring that young men fawn over. Typically she is hot, sexy, yet motherly. Popularized by the 1999 hit film American Pie and the character of "Stifler's Mom". Further popularized by the "amateur" pornographic films titled MILF Hunter, where the title character promiscuously goes around looking for MILFs to entertain for an hour or so.
"Karen recently won the title of World's Hottest MILF."