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2.
Probably.
Is it a good time to buy stocks?

Prolls. This is one of the best bottoming periods yet.
by Luke2k July 20, 2008
 
1.
No; Probably not.

Contrary to popular belief, Proll actually means NO, it does not mean probably.
Rich: Yo you goin to the game tonight?
Cory: Proll
by Lingo Larry January 18, 2011
 
3.
meaning pussy. manly used when referring to getting some.
damn son she wouldn't even throw up that proll after i took that bitches ass out
by Bryannn June 07, 2007