Top Definition
What ever makes you hard or gives a guy an erection. Makes the penis rise, or 'float'.
Float my boat:
Every time I see a topless woman on the beach... Oh man, that really floats my boat!
by Zagila May 17, 2016
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×