Oof means uncomfortable or dead, sometimes in stress too! In ROBLOX it is used as a death sound and sometimes it is in memes! Sometimes in ROBLOX they say oof when hurt, uncomfortable, or/and stressed.
“Oof, This chair is horrible!” “(GETS KILLED BY ADMIN) OOF!” “Oof, I lost the game” Cyber Bully: “lol, you so ugly” Victim: “Oof ;-; you’re a meanie!”
by ROBLOX_WEIRDO_BOI100 June 22, 2018
Get the OOF!mug. by Squishystrawberi January 21, 2019
Get the Oofmug. 
Oof is originally a sound from Roblox when the character dies. Oof can also be used as a placement or a word that can't be described as a response to something negative verbally or physically done to another person.
"I was about to make-out with Name and then my parents walked in." Person 2: Oof
"I bought a new phone than instantly dropped it breaking it unable to replace it" Person 2: Oof
"Bastion made play of the game" Person 2: Oof
"I was killed by a Teemo shroom" Person 2: Oof
"The tank didn't taunt and I died." Person 2: Oof
"I bought a new phone than instantly dropped it breaking it unable to replace it" Person 2: Oof
"Bastion made play of the game" Person 2: Oof
"I was killed by a Teemo shroom" Person 2: Oof
"The tank didn't taunt and I died." Person 2: Oof
by Yonggon April 9, 2019
Get the Oofmug. 
“Oof, that sucks.”
by IdkB January 24, 2019
Get the Oofmug. Kid: Lemme play roblocks (roblox)
Mom: get off of Roblox hunny
Kid: BITCH
Mom: FUCK GO TO BED UR GROUNDED FOR 1 MONTH OR MAYBE EVEN A MONTH BOI
Kid: OOF
Mom: get off of Roblox hunny
Kid: BITCH
Mom: FUCK GO TO BED UR GROUNDED FOR 1 MONTH OR MAYBE EVEN A MONTH BOI
Kid: OOF
by D e p r e s s i o n " A k i " March 27, 2019
Get the Oofmug.