Coma Sutra 

Having sex with someone who is in a coma/vegetative state. Since they are limp you can do whatever you want with them short of pulling the plug.

Chad went to the hospital and sex with more stroke patients. He gave them the "Coma Sutra."

Coma Sutra by Jimmyjoe1115 January 3, 2011

Coma Shot 

When you give or receive a head butt followed by a dutch oven.

I just got hit with a coma shot

Coma Shot by qwindy January 1, 2011

Sushi Coma

The feeling one has after a binge of all-you-can-eat sushi. Most cases, it's difficult to walk afterwards and one will normally fall asleep if seated/lying somewhere comfortable.

"Oh, my sushi coma is killer this time!"
"My sushi coma was so bad, I couldn't study and fell asleep instead!"

Sushi Coma by dingodora December 7, 2012

Sad coma

When you are so sad that you cannot move

Your friend calls you a liar and you become so sad you're in a sad coma

Sad coma by LStorey13 February 11, 2019

sack coma 

Passing out due to the sight of blood when trimming your balls with a razor.

Tried to trim my balls for my lady and wound up in a sack coma.

sack coma by PK27 May 3, 2016

social coma

The act of withdrawing one's self from all social activity

Jane went into a social coma after her embarrising incident at prom.

social coma by localcelebrity June 11, 2006

Sushi Coma

The lazy relaxed and sleepy feeling one has after eating too much sushi. likely due to the large amount of starch in the rice.

I fell asleep on the sofa after dinner. I had a case of sushi coma.

Sushi Coma by toounknown January 8, 2010