Good morning, fuck you. For whenever you're in a bad mood in the morning, and someone tries to talk to you. This is how to get them to go the hell away.
"Hey, sorry about last night, but how you doin' today?"
"Gmfu"
"Isnt it a wonderful day today?"
"Gmfu"
"Gmfu"
"Isnt it a wonderful day today?"
"Gmfu"
by treghost May 10, 2015
Get the gmfumug. gmfu means "you got me fed up!" but if you are the chill person who don't do a lot of typing this is for you!.
"Boy you gmfu!"
by jollahollamann March 21, 2023
Get the gmfumug. person: man these doritos BUSSIN
*no more doritos*
person: reaches to get a dorito
Person: nah u gmfu
*no more doritos*
person: reaches to get a dorito
Person: nah u gmfu
by valaruh April 1, 2021
Get the nah u gmfumug. 
