Top definition
To viciously strike someone across the face with your penis. Creating a smacking or clap noise.
"I mushroom clapped my girl the other day for stepping out of line"
by ~Michael~ October 04, 2006
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug