Groinocologist 

An honorary title given to an individual who is recognized for their level of sexual skill and extensive experience at pleasuring both men and women.

I'm a Board Certified Groinocologist

Groinocologist by Archeo Bob September 29, 2009

Grynocologist 

A between the legs plumber. Applies to anyone who interested shaking, fondling, or caressing your another person's goods as a profession or hobby.

The stripper gave me lap dance last night was a mastered grynocologist.

"It's not herpies. I just saw my grynocologist."

Grynocologist by Kyleolsenwalsh September 6, 2014

grindocologist 

this term, printed on an asher roth t-shirt on thedailykush.com; could be slang for somebody who grinds hard.

dayuum, son. you makin' cash. you like the new grindocologist in town.

grindocologist by white boys love asher roth April 21, 2009