5K run

A particularly physically taxing session of gay anal sex.

"Wanna go for a 5K run?"
"I'm so fucking tired right now, I could not"

by hunterforthepoon February 13, 2022

5k holiday family

A family that runs 5ks on holidays

Person 1: How was your thanksgiving.
Person 2: Terrible I'm in a 5k holiday family. Our whole family was forced to get up early and run a 5k before we celebrated.

by Winston Sisk October 17, 2017

filthy 5k

Running a 5k and then immediately proceeding to receive oral, leaving your sweating crotch stench all over your partners face.

I surprised my girl with a filthy 5k and she threw up all over my nuts.

by anonymous October 15, 2020

Brother.5k

The slymiest nigga on the earth.

"Its brother.5k in the cutt."

by Defderi. November 4, 2020