This is a "brainrot" phrase/word like skibidi, alpha, rizz, etc. It simply refers to aliens, the color green in general, something being cute or adorable, or more rarely semen. It overall has no negative connotation. It is sometimes also accompanied by being said in a goofy voice, but can also be said without. The most common sentence using it is "what do you know 'bout that goo goo green?"
by Internet Cupid March 13, 2025

by peepee_blender_gas November 29, 2019

by Temple Dog November 4, 2020

Character that eats anything smaller than itself (Including Cyanide) and Grows bigger from eating meaning that it can Eat bigger things and Possibly eat the Universe. Originally By Tasty Planet Forever
by GreyestGoo June 2, 2024

by Samtionary May 10, 2024

by zoogoo February 10, 2021

by Inomon June 3, 2018
