Definitions by Goupil

German lawnmower 

The act of vigourously rubbing one's teeth against another's scrotum, removing hair in the process.

- Dude, how come you have pubes stuck between your teeth?
- I woke up to a teabag, and had to counter-attack with a German lawnmower.

German lawnmower by Goupil October 2, 2009