Suddenly becoming so horny while in a large group of people that you must run to a bathroom or secluded area to sexually relieve yourself.
Dude #1: did you see joe launch off the couch and run to the bathroom?

Dude #2: yeah he saw katie's boobs bouncing around and had a sudden urge to relieve himself.
Dude #1: oh yeah, he pulled a Blair
by friendz!!1 November 14, 2009
Get the Pulled a Blair mug.