Urban Dictionary: popup

29.

get hard, become erect, refers to a penis

pick up line:
"Hey baby why dont you come sit on my lap and we'll talk about the first thing that pops up"

by Lila January 17, 2004

30.

A foldable camper that kicks ass. A place for teens to smoke, drink, and get high off their ass! I definitely wanna road trip that thing.

"Yo, let's go get baked in the popup! Then we can get drunk too!" - EVERYONE

by Nail January 09, 2005

31.

An advertisement that pops up on your computer screen when you least expect it.

This pop-up stopper is a joke!

by Jesse August 11, 2003

32.

A ball hit high in the infield.

Silly Jim Hunter, pop-ups aren't to the warning track!

by Bobby Busch Bang July 04, 2006