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1.
to hold something too long. i.e. a marijuana smoking implements.
Dave was "leoing" the bong.
by ws.croatia October 31, 2011
 
2.
when you start talking like that guy Leo from that 70's show
Leonard Chingkwake and you use other stoner jokes and gags...
Leo: I don't like what's going on here, man. That little dude's making us all look bad. I'm afraid the boss is gonna fire me.
Steven Hyde: Leo, you are the boss.

you really started leo-ing man...
by yeeco February 02, 2010