'OK Goomer' Is an adaptation of 'OK
Coomer' directed toward people who excessively
play video games.
It can be used in a mocking, or patronizing manner toward people with a bad gaming habit.
All he wants to do is goom. Doesn't that guy do anything else?
Man, I goomed so
hard last
night, played Runescape for 8 hours straight.
"Dude, I just got the newest skin in
Overwatch after grinding all weekend for it"
"OK Goomer"
Oh my god, I'm gooooooooooooooooooooooooooooooooooomingggggggggggggggggggggggggggg