1 definition by TheGreatestSmartass
someone who is generally an all around smartass and enjoys making people feel really damn stupid, wiseguys are usually condescending and have a tendency to use the words "pal" or "buddy" when referring to others
Random dude: did you know that papyrus was invented by the Mesopotamians
wiseguy: actually the Egyptians Invented papyrus, but nice try buddy
Random dude: cork it wiseguy
wiseguy: actually the Egyptians Invented papyrus, but nice try buddy
Random dude: cork it wiseguy
by TheGreatestSmartass April 15, 2019