Fucking around with one or more other people, generally at work.
"You guys don't have time to be grab assing! Now get back to work, slackers!"
by pjdpete April 14, 2006
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You girls gonna sit around playing grab ass all day?
by Mr Savage February 26, 2004
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Grabbing ass: means to hold someone ass with tenderness and affection.
Ads grabbing shows intention to make love or kiss or as a show of love.
Have you seen that fit ads. I would like to grabbing ass now.
by Grabbing ass August 22, 2017
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A game typically played in large crowds in which you grab random guys' asses and nonchalantly keep walking/doing whatever you were doing. Give your friends a heads up so they can laugh & give you a report. Causes confusion & is hilar when done right.

If confronted: deny it with repulsed look on your face.
Nicole: Dude it's 2:25, the bars are about to let out. We should play a round of grab ass.
Kaitlyn: Hell yeah, look at that one, it's just asking to be grabbed.
(Everyone exits; most likely drunk)
Megan: (Grabs a hand full of ass)
Random Guy: WOAHHH, what the...? (snaps head around, confused, possibly thinking it was the person behind him)

SUCCESS.
by grbdatass July 3, 2011
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