1 definition by Sam the Baker

ballpointing slang term meaning your penis gets hard when needing to urinate.
For example in the movie BULLET TRAIN:
Ladybug (Brad Pitts character) says to Maria (Sandra Bullocks character ) He says he needs to find a smart toilet. Maria: Can you hold it? Ladybug: “I’m ballpointing.”
by Sam the Baker September 29, 2022
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