louisiana jack hammer 

getting your dick hard as a rock and then taking the toilet seat and slamming it onto your dick until the head pops off.

"ugh dude did you hear Andrew gave himself a louisiana jack hammer?!"

"yeah hes gonna be feeling that for a long time."

louisiana jack hammer by Todd January 15, 2005

MC Hammer 

To have sex with a woman during her menstrual cycle, hence the name. M (enstrual) C (ycle) Hammer (well, duh, i hope i don't need to explain this one)

He figured it was all right to give her an MC Hammer in the jacuzzi.

MC Hammer by m00 November 15, 2004

swinging hammer 

A person with a penis. Commonly used to refer to a woman who turns out to be a man. Also could refer to having a large penis.

Everything was going so well with Susy, and then I found out she was swinging hammer.

swinging hammer by live nude girls March 18, 2010

pooh hammer 

term used to describe the penis when an individual engages in anal sex to influence the outcome of a situation.

I wonder how many times Barney Frank has used his pooh hammer to get his way in Washington.

pooh hammer by Bushguy July 29, 2009

water hammer 

When an industrial facility that consumes a copious volume of water suddenly stops drawing water from a water treatment plant via a pneumatic switch or quick-close valve. The instantaneous closing of the valve causes a backup of water pressure that breaks water treatment plant pumps and pipes.

The water treatment plant's pumps were destroyed when a chicken plant slammed their valve closed after a washdown of the facility causing a water hammer

water hammer by Un-Civil Engineer December 23, 2011

baby hammer

Simply put, 'baby hammer' is yet another term used for the male reproductive organ... PENIS.

"Could you please warn me whilst viewing your vacation pictures?! I'd rather not not come across another close-up of your husband's BABY HAMMER!!!"

baby hammer by DJ Scratch-N-Sniff March 1, 2012

thor hammer

when you use your dick to hammer a nail

"Why aren't you walking straight today"
"It's because last night i tried to do the thor hammer and I injured myself"

thor hammer by stinkyboy123 September 26, 2019