1 definition by penceyprep
A shortened version of "probably." Known to be used by Tyler Joesph, the all amazing smol bean of Twenty One Pilots.
Person 1 - Yo, will you go see that new horror movie that's out?
Person 2 - Yeah, I prolly will!
Person 1 - Okay, see ya there!!
Person 2 - Yeah, I prolly will!
Person 1 - Okay, see ya there!!
by penceyprep June 18, 2016