an expression with near-endless possible uses
Person 1: "When you grompf"
Person 2: "grompf"

OR

Person 1: "grompf"
Person 2: "gropmf"
by grompfmaster69 June 1, 2019
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An onomatopoeia generally expressed by cartoon characters normally after they get hurt or by grumpy people.
After stepping on a nail, the old grumpy man from the library let the word "grompf" escape from his wrinkled tiny mouth.
by Elizaazile June 6, 2007
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