Top Definition
The exact opposite of a hard on.
To lose one's erection or sexual urge.
A deflation of the penis due to an unsavory experience or sight.
Also spelled hardoff, hard-off
See also boner-killer
Rosie O'Donnell gives me a hard off.
by robin graves February 21, 2004
When you sober up while fucking an ugly broad (Swamp Donkey), the penis actually retacts inword.
Fuckin fat bitch was so ugly I got the worst hard-off ever
by Cellodude February 07, 2006

To experience something which turns one off or makes one lose sexual interest in the current situation.


hard on
Bro 1: Bro I was just watching these two chicks going at it but it was all downhill from there.

Bro2: Geez bro, that sounds great, what happened?

Bro1: One of them whipped out a dick, gave me a total hard off.

Bro2: Bonerkill and a half, man.
by cahill4554 March 02, 2011
a switch on a penis implant, that lowers it.

a big hardware chain in Japan.

a video game
"I had to return my implant. The hard-off switch

jammed. You may wish for a perpetual hard-on,

but you have no idea."

"What now?"

"They said it would need a month's work. I need a breather

by Steed Dropout September 15, 2012
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