Meaning : Grumble
Category : Internet Chat
Sub Category : Slang
What does GRMBL mean or stand for ?
GRMBL is used online as an onomatopoeia acronym – meaning it sounds exactly like what it means.A person grumbled or talks below their breath when they are discontent with something of someone.For example a disgruntled employee will complain to himself in a shallow murmur showing his dissatisfaction with the job.