Altering the handlebars on a bike by flipping drop bars (typical road bike handlebars) over and cutting them down into bull horn handlebars.
Old Schwinn fixie conversion with flop 'n' chop (bullhorn) handlebars.
A vasectomy.
"What appointment are you here for today?" asked the urologist.
"Flop 'n' chop!" I said, while enjoying the buzz of my Valium pill.
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