Top Definition
The embarrassing(and sometimes painful) act of your balls hitting against your thigh or leg while walking or running
Me: Dude, I was running my 5k when my balls started hurting

Friend: Sounds like The Flop-Flop
#balls #penis #embarrassing #daniel #tosh
po Brett50Cal Јул 11, 2012
Slobodna Dnevna e-pošta

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