lubricant may be required 

An extenuating circumstance when the level of friction becomes to great to continue.

While performing a "Dirty Trapeze", lubricant may be required.

lubricant may be required by Drew Clark September 25, 2006

Sawdust Lubricant 

Dry sawdust that is thrown into the vagina to assist with penetration.

Man: This girl was so wet that I had to use my patented sawdust lubricant before I could fuck her.

Sawdust Lubricant by Squeeze808 October 19, 2011

social lubricant 

liquor of any form that induces intoxication and social lubrication (i.e., outgoing and gregarious behavior)

I gotta hit the social lubricant before kickin' it at the club.

social lubricant by dbuny August 28, 2006

social lubricant 

1. noun: a friend group, circle, or clique which is used by a member of said group to help facilitate relations (possibly intimate) with someone outside of the circle in a variety of possible ways. Can be considered a group of wingmen.
2. alcohol

Mark had a party and used us as social lubricant to help try and get into Tracy's pants.

social lubricant by BusinessIncorperated December 2, 2014

Nature's lubricant 

See sand.
A reference to the irritation caused having anal sex on the beach.

She learned the hard way that sand is nature's lubricant.

Nature's lubricant by mach schnell April 25, 2005

Universal Lubricant 

Money, Cash, dough...etc, etc.

If you watch the episode of Fresh Prince of Bel-Air where Will trys to get a contract for Ashley's singing talent, you will hear the producer ask about universal lubricant.

Universal Lubricant by Jessica February 26, 2006

spit lubricant

spitting your saliva to use as a lubrication

I was with your girlfriend and we ran out of K-Y Jelly, so I used spit lubricant, by bending her over and spitting on her ass to lubricate my dick.

spit lubricant by Vinnie The Cock II March 6, 2008