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3.
When a place is Busy or crouded
"The traffic on Gower Road was Bouncing this morning"
by Nathan Jorgensen July 20, 2003
 
1.
An urban sport in which involves throwing objects (preferably bouncy balls) at people, signs, other vehicles and then yelling a witty catch phrase out as you drive off. NOTE: Best done with one person as the driver and another in the back seat doing the throwing and yelling
Last night me and the Yugo went out bouncing. We hit this bogan and he ran after us yelling, "Come on ya cunt!"
by Darsehole September 06, 2008
 
2.
–adjective
Bouncing is when two particularly amusing individuals coordinate impeccably to deliver outstanding humour, by alternating in conversation and playing off each others 'gags'.
Girl 1: That Angus and James' humour is so in sync
Girl 2: I know they've been bouncing off each other all night
Girl 3: Im going to see if i can interupt them and try and get with them
Girl 4: Not if i do first
Girl 2: Lets just all get with them simultaneously

Other three girls: you always were the brains of the group
by jp94062 July 28, 2011