The act of whipping your junk out and slapping sum1 one anywhere on there body.

Lil BowWow: I just got a floppy johnson in the fac.

Mom: By who?

Lil BowWow: Mike Jones! Bitch

Mom: Who?

Lil BowWow: and it stung he hit me in the forhead!
by Evan Fedronski December 6, 2005
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When you fail to put on a condom correctly, causing the chick to lose interest and say "just forget it," leaving you with a floppy dick
I couldn't get the condom on fast enough so she was like "ya know what? nevermind." Needless to say, i got a floppy johnson last night
by El Muchador April 26, 2010
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