- Old man with a high temperment and low tolerance for anything.
- One who feeds off adolescents pains.
- A devious being.
- A Dickhead.
- One who feeds off adolescents pains.
- A devious being.
- A Dickhead.
by marco April 4, 2003
A true gentleman and a distinguished worker. If you meet someone with the last name Grumbach, they will definitely help you when you are feeling down. German origin relates to a creek or steady flow of water. A Grumbach can be wild, but his/her support and consistency flow steadily like a stream.