Cock Flopper 

A guy who likes to shake his junk a lot. Especially while wearing loose fitting shorts so that their junk makes a slapping noise against their leg. This is often perfomed naked in front of mirrors.

Thelma: I caught Brad shaking his junk in front of the mirror when he got out of the shower.

Beth: OMG! He is such a cock flopper!

Cock Flopper by mbaby13 December 18, 2009

Cock Flopper 

A fat or very ugly chick who causes stiff erections to flop.

Nicole is such a cock flopper no guy could ever keep it up around that slore.

Cock Flopper by mbaby13 December 18, 2009

Cock Flopper 

When a women is extremely easy and you could "flop cock on the table" and turn it into a fun night.

I was at the bar yesterday when a cock flopper came out of nowhere. That night was crazy

Cock Flopper by Virginityburgler69 November 26, 2017

Flopped Some Cock

The descriptive act of insulting a family member, friend, or stranger, by displaying personal defense implements in an aggressive fashion, while also drawing maximum attention to your actions.

I flopped some cock on my cousin, because she was wearing a Hillary t-shirt.

Flopped Some Cock by Mike McArock December 8, 2016

Cockflopper 

A particularly ugly female whose hideous looks cause the most rampant penis to "flop" - to-wit a {cockflopper}

The {cockflopper} before me severed the last shreds of my hetrosexuality

Cockflopper by Fat Vicar May 28, 2015

Cockflopper 

female or instance that immediately makes your manhood floppy.

Fat people having sex, road kill, your mom knocking on your door when you're getting a BJ.

Those two slamhogs making out in public is a real Cockflopper.

Cockflopper by Jay Ownz September 28, 2010