Top definition
One sexual partner is positioned above another (On top of a ladder or balcony) and has a bowel movement. For the French Grenade to be completely successful, a good portion of the stool must land in the other sexual partner's (reciever) mouth. The reciever must be lying on his/her back on the floor.
When your father got home from the war, he gave me a French Grenade, then he gave me a kiss.
by Longdongtom69 January 28, 2009
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