float my boat

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!

It floats my boat and finds my lost remote

The world is no longer grey, it's now in colour ever since I found her (Jessica Henry). This makes me very happy (more than temporarily).

It floats my boat and finds my lost remote... if you know what I mean... and if you don't... check urban dictionary.

float my boat

Im going to go float my boat.

Let’s go float my boat.