Grandad dribbles

"Grandad dribbles" is the term used to describe when one does not shake their penis a sufficient amount of times after urinating, resulting in urine dribbling from the penis and down the individual's leg.

1. Yo man I just had the worst grandad dribbles!
2. You should of shaken more, bro.

by daveWORST January 31, 2011