HeeHoo (aka Neanderthalious marconeeous) is what happens when someone gets pushed into a feral state through constant stress, common symptoms are: speaking in grunts, running around in a crouched manner, and taking off all of their clothes except for their socks and shoes. The most famous case was that of Mark Fischbach who due too unknown reasons went feral on a camping trip with his close friend and colleague Ethan Nestor
by anonymous January 22, 2021

by spencerwelch,mrwelch December 6, 2024

by YaEggieBoi May 19, 2021

A positive response exclamation. Usually used when excited about a fixation or interest. Also can be used to express loss of mind or confusion.
by two.silly.smiles:):) June 9, 2023


1. Used in the song “feel good inc” it is commonly thought to have been said in the beginning instead of “feel good” which was the actual lyric.
2. An ape-like man played by the YouTuber markiplier, on the deleted Unus Anus channel.
2. An ape-like man played by the YouTuber markiplier, on the deleted Unus Anus channel.
by LIMEJUICE44 October 8, 2021

Another word for Heezy
by Kirk_Rox_You October 14, 2008
