To be in a perfect mental and physical state in which others see you doing exceedingly well.
Guy 1: "Man dude, your on your grind!"
Guy 2: " Don't even trip, I'm just gettin' started."
by Mycin November 22, 2014
Term the French use that means to masturbate
Imma go into your sisters bedroom and grind my chocolate for a minute

Do you need some help grinding your chocolate? It seems like you can't get it up...
by peacesweets April 20, 2011
Sexual, often used in the same context as "whatever floats your boat". It means whatever turns you on. Means jacking off, or means sex.
"Babe, Whatever grinds your loins.."
Next scene: SEX
by omnomKonrad February 23, 2011