Round Boi refers to an object/ living being/ or fictional character/species that possesses roundness, usually used similar to long boi, with haha preceding it
It mostly refers to the pokemon Wooloo, because of its roundness
Hey, did you hear about the new pokemon Wooloo?
haha round boi!!
by Ank57 June 10, 2019
(v.) (British) to send baliffs to collect good/break kneecaps.
I'll send the boys round if my money is not banked by noon tommorrow.
by Kung-Fu Jesus May 5, 2004