qualified to sing

synonomous with "I just had sex" it comes from the song by The Lonely Island. Used to describe someone who, big surprise, just had sex.

Socially Awkward Penguin: Watching video by the lonely island . . . parents walk in, are qualified to sing

guy1: Dude, I'm totally qualified to sing
guy2: brooooo! nicccceeeee!

by Keev23eev April 5, 2011