A shortened version of the word "Probably". This word is commonly used by people who have no sense at all and think that Probably has 2 "L's". Word commonly used by a kid named Kaleb a.k.a Mizar, Dark Permitian.
Tucker: Hey man, that was some funny shit last night. Ha.
Kaleb: Yeah it was.
Tucker: Are you going to do it again.
Kaleb: Haha, prlly.