One Man Gang Bang

When one man has anal, vaginal, and oral sex with one woman during one session, in any order. Also known as the trisexta.

Will: Want to go the bar tonight?
Bill: Not before 11, I am going to one man gang bang my girl in a bit.

by DrSussy October 7, 2009

One Man Gangbang

When you do something amazing that would normally take more than 4-5 people.

In Modern Warfare 2:

Guy 1: "Hey you just killed the entire enemy team in Ground War!"

Guy 2: "I know, I'm a one man gangbang!"

by DoctorGoodWood May 28, 2010

One Man Gangbang

When one man starts a gangbang and no one taps him out because he's just that good.

Amanda: Hey look at Billy go

Sarah: Yea, he's a regular one man gangbang

Or

Amanda: hey Sarah how's your ass feeling today?

Sarah: Surprisingly not bad after having Billy, The One Man Gangbang. He's gentle!

by TeamNoSleep420 December 15, 2017