It is the expression that a straight man or woman uses instead of oof or yeet to signify that you are straight. If you are a fruit that means you are gay and you say "oof." If you are a vegetable that means you are straight and you say "Glurgh."
Male 1: Glurgh.
Male 2: Vegetable gang.
Male 1: I just found out that my trip to Cedar Point is canceled.
Male 2: BIG G L U R G H ! ! !
Merch for RanbooLive’s show Generation Loss. Items of Glerch include, glants, gleanies, glirts, gloodies (they have glockets, don’t worry) and of course, Ranboo’s famous Glock.