To have had sex with a large girl, the type with excess rolls, big hips, thunder thighs and huge tits. Secretly, every man wants to add a big girl to the bed-frame of notches.

Also see chubby chaser

The phenomenon of having to come out as bisexual to the same person/people repeatedly because they assumed or hoped that your sexuality was a "phase." Refers less to the holiday and more to the 1993 Bill Murray comedy film in which the main character experiences the same day over and over.