When something you are using or own is stolen/taken when you are not looking. Comes from how animals, mostly birds of prey will swoop in and kill/pick up prey or take stuff that is lying around to eat and/or make a nest out of.
Person 1 "Where are those magazines I was reading before I went to the bathroom?"
Person 2 "They got swooped on by John a few minutes ago."
Person 2 "They got swooped on by John a few minutes ago."
by IceWarm March 15, 2006

Tim- Do you wanna go SWOOP SWOOP (smoke weed) on a back road?
Johnny- Yeah SWOOP SWOOP a shell.
Tim- Do i need to SWOOP SWOOP u from the crib?
Johnny- SWOOP SWOOP
Johnny- Yeah SWOOP SWOOP a shell.
Tim- Do i need to SWOOP SWOOP u from the crib?
Johnny- SWOOP SWOOP
by Ryan Ratliffe March 22, 2008

Surreptitiously checking Urban Dictionary during a game of Cards Against Humanity, because you have no idea what the card you just drew means.
by MenschMaschine October 19, 2012

by Cr250Lover4Life May 12, 2016

"Aye come to Anthony's in an hour"
"Can't I don't have a ride"
"I'll swoop"
"Fasho. Lemme know when you're here"
"Can't I don't have a ride"
"I'll swoop"
"Fasho. Lemme know when you're here"
by Heptone March 19, 2016

by Juciy jamba July 05, 2018

When a guy is at a party and is trying to get with a girl and another guy comes to the party and takes her
by Half Ounce Jack July 30, 2010
