Abbreviation for "open your mouth"
This is for when a retard is talking too much and you say something that makes them shut up then you say "OPEN YOUR MOUTH" - you may also combo this with "OYMN"
"Yeah that's what I thought OYM"
abbreviation for "Get a job nigger"
21 year old man: "Hey do you have that Roblox football league invite?"
"GAJN"