1. adv. - shortened variant of "probably"; in all likelihood; likely. Typically used online.

1. You should prolly used "prolly" only in instant messaging. Using it in real life sounds kinda lame-o. But I prolly won't follow this rule anyhow...

Usage Notes: Using "prolly" and other forms of internet slang do not make one an idiot, unlike many of the arrogant people here have established. It is used simply because it is quicker to type "prolly" than "probably".
by Rerakudeshigunesu February 10, 2008
lazy and illiterate AOLer retarded way of spelling PROBABLY.
AOLer: i wil prolly go 2 skool 2marrow.
by Proeliatoranimus May 26, 2005
another word, for the word probably originally used by monica vasquez, some genius that everyone loves =]
hey u goin to that party? prolly
by certified badass dom July 26, 2009
to think you are something but not. the opposite of what you portray yourself as.
That fag is prolly good at everything.
by caarl June 13, 2008
is the shortened version of probably it can also be used in a nother way meaning "probibility" instead of probably (auctually I created this word, maby not first but it definetly came out of my head
i would prolly pwn u at renegade...

ex2) the prolly of them making a comeback now is really low
by bubba2x4 September 08, 2008
As most people prolly know, "probably" was substituted by "prolly", because many got annoyed by the stutter. The new word became popular after Clinton's proposal for more honesty in birthday hymns:
"For he's prolly a good fellow,
For he's prolly a good fellow,
Which I can neither affirm nor deny."
by AlG38 November 20, 2006
prolly - the opposite of probably
"im gunna fuck this bitch tonight"

"yea you prolly gunna fuck dat bitch"
by GETLIKEME22 December 20, 2006
Short for probly, commonly mispeled as 'probably'.
prolly teh best word EVAR!
by the richter September 13, 2006

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