To masturbate outside, at night, on your deck or patio. Preferably in cold weather.
David's wife caught him Pulling A Chapman last night.
by ProblemSolver February 7, 2011
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Injuring yourself in an unexpected yet somehow predictable nature
"Oww, i got up out of my chair, and pulled a muscle in my back"

"Damn, you just had to go an pull a chapman""
by Maverick916 November 11, 2022
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