The Old McNulty is a sexual act in which at least one male or transvestite must be involved. It includes (but is not limited to) putting one's testicles in another individual's (male or female) mouth while ejecting feces on to their forehead.
A: So dude, what'd you do last night?
B: I was hanging out with this girl and guess what?
A: What?
B: I gave her the Old McNulty.
A: Oh, you ol' dog you.
B: I was hanging out with this girl and guess what?
A: What?
B: I gave her the Old McNulty.
A: Oh, you ol' dog you.
by IronSpartan August 3, 2011

by senbot April 28, 2022

A strong, potent, somewhat-hard-to-find Grain Alcohol brewed south of the Mason-Dixon line, and frequented by such notables as Blade Jones, esquire.
"Awww, man.... I don't think I can make it into work today... I've been doin' shots of Olde Chicken all mornin..."
by InformerSW March 26, 2004

by J.B Enterprises April 20, 2018

1. Word to describe a good friend.
2. Name for a drug source you do not wish to reveal.
3. Word to describe a perfect stranger (male) when saying something funny about them.
2. Name for a drug source you do not wish to reveal.
3. Word to describe a perfect stranger (male) when saying something funny about them.
1. "Whats up, old mate?"
2. "I got this gram from my old mate."
3. "Check out that old mate's mullet"
2. "I got this gram from my old mate."
3. "Check out that old mate's mullet"
by Diego June 23, 2003

when a male ejaculates into their partners belly-button crevice and proceeds to punch them in the sides and making the man-juice shoot up like a geyser.
by Ben Paxton September 27, 2007

Named after the famous geyser in Yellowstone National Park, this is a schlong that spontaneously erupts and unleashes a cum geyser right into your girl's face when you pull your dick out of her mouth.
by Mansnake February 11, 2005
