Girls who pretend to be bisexual in order to get attention from guys. They will make out with their friends, usually after a drink or two, but won't actually have sex with women and often become very uncomfortable when actual lesbians approach them. Most pretensbians are between the ages of 15-22, but may occasionally be as old as early 30's.
"Did you see Britney and Kristin at the party last night? They were all over each other, but everyone knows they're pretensbians."
by YouCantKillANinja May 07, 2014