Binary Grip Grinders 

Fictional (or is it?) auto part that gives engine maximum torque velocity squared with the distance to provide ultimate heat-ness for shreddin'

Just tuned up my binary grip grinders, now the Toyota Supra Classic with Dual overhead cams and spoilers is ready to rip down this joint!

Binary Grip Grinders by Mike Kim April 16, 2008

itchy grinner 

bum hole to [scratch in an uncontrollable manner}

Ash says why are you scrathing your arse hole??
Scott says because ive got an icthy grinner
ive got an itchy grinner

itchy grinner by Ash scott February 23, 2007

lesley grinner 

An expression of pain usually involving gritted teeth and a weeping eye. Can often been seen when passing a particularly difficult stool.

"Sorry for the delay lads, had to stop off at the toilet on the way. That steak from last night cause a right Lesley Grinner"

lesley grinner by Lesley Grinner October 2, 2011

Grinner 

One with a perverted or sexual sense of humor.

"Steve and his group of friends are nothing but insensitive grinners."

Grinner by D-Gilly March 13, 2010

Crotch Grinders 

An ethnicity, race, or culture of people renowned for a very high rate of breeding

Also see Mexican.

Where the hell did all these Mexicans come from? Damn crotch grinders.

Crotch Grinders by sparhavoc October 8, 2016

Grinders 

Southern slang refering to one's Teeth.

I have worn out my grinders eating goober peas.

Grinders by The Red Menace October 11, 2004

grinner 

A ladies' punany.

Word used frequently by Frank McCann in his most severe cases of Tourettes Syndrome.

Show's yer Grinner

grinner by MikeB October 20, 2003