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To pick residue from your ass and flick it at innocent passerbys.
Hannah: Hi Kaysi!
Kaysi: MUST PICK AND FLICK!!! *kaysi picks and flicks at hannah*
Hannah: Ahh Kaysi try to control yourself
by Hannah Banana!!!! September 14, 2006
When one digs in their nose and finds a big juicy booger , rolls it into a little ball and flicks it!
Word of advice: Don't piss off your waiter, he might just pick and flick right into your salad.

"Don't pick and flick in my direction, u sick bastard"
"Damn get a tissue, don't pick and flick on my floor!"
by Brianne1979 January 15, 2006