not float (one's) boat

not float (one's) boat

To not be particularly enjoyable, desirable, or exciting to someone. A: "They're showing Casablanca in the student theater, do you want to go?" B: "No thanks, black and white movies don't really float my boat." Well, the thought of spending my weekend weeding the back yard for a few bucks doesn't exactly float my boat, Dad.See also: boat, float, not