"Hard in" is the female counterpart to a man's "hard on" otherwise being vaginally internally super aroused. This is a good thing.
I had such a hard in for him I was wet with excitement! OR She was a gorgeous woman and my inner lesbian got a hard in thinking about it!
by kinky-doll January 26, 2011

by Jaymoney Louie September 10, 2020

An old saying from Cambridge Harvard, where the professor jokingly says: “hard hard lemon hard” for a certain test.
This phrase eventually made its way throughout Harvard and is originally dated back to the research university itself.
This phrase eventually made its way throughout Harvard and is originally dated back to the research university itself.
by Mike Xin March 17, 2019

by The Return of Light Joker May 21, 2009

by lil MiiZ p0z3r March 15, 2008

by Lauren February 8, 2003

The man was fucking the girl on the floor, and then his penis had a hardon, and the girl licked it all day long
by Thrashmeister November 10, 2004
