A type of gun trigger that requires a very small amount of pressure to respond.

Also can be defined as someone with a very short temper
"That .357 has a hair trigger"
by Deepfizzle April 05, 2006
A lack of endurance during sexual activity.
Friend 1: Where's Sara?
Friend 2: She's in Nate's room
Friend 1: Oh, she won't be long. That boy's got a hair trigger
by GHB June 21, 2006
clitoris
when I hit her hair trigger, she went off immediately
by otisb June 07, 2010

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×