Originally used to define untrained general soldiers. Can be used to identify people in groups who blindly follow the loudest, or even the person standing higher than everyone. Fairly mindless and will believe almost anything that they're told.
Guy: See that Kate? She's been writing hate posts about me for a while now, she dosen't even know the real reason why.
Guy2: She's such a grunt bro.
Guy2: She's such a grunt bro.
by Kanonymouse April 7, 2011
Get the Gruntmug. 
Chunky foul smelling substance consisting of poop, sweat and other substances found in the butt crack leading all the way to the asshole. Found mostly in the taint area as a result of not charging properly. Substance created as a result of swamp ass
by Cthulhall09 September 23, 2021
Get the Gruntmug. by ThrallTheWarchiefOfTheHorde January 20, 2015
Get the Gruntmug. by Kynan October 30, 2007
Get the bumble and gruntmug. You: "Hey wanna send me a video of you performing grunts of effort ;)"
Me: "I'm not comfortable with a video but i could do an audio"
You: "oooo yes daddy"
Me: "I'm not comfortable with a video but i could do an audio"
You: "oooo yes daddy"
by cunninglingusqueen June 29, 2023
Get the Grunts Of Effortmug. by Samuel Francisco October 1, 2014
Get the grunt one outmug.