Definitions of "Grindsman" (Vulgar)

Stallion

A male who is amazing at sex. He is able to conduct sexual intercourse for hours on end and knows how to give a girl the ride of her life, usually leaving her in a fully satisfied.

(patois) Kevin, yu did a grindsman laas nite!

(english) Kevin, You were such a stallion last night!

Bow , Buddy , Bun , c**k it up ,