Having rough anal sex with another person (typically man to man) for 30, uninterrupted seconds and seeing who ejaculates first. The winner (the one who doesn't ejaculate) can have the loser buy them something under $5
Yo bro did you see Jake running 30's with Kyle last night?? I was in the splash zone bro it was so bad 😭
by Blurple__ September 08, 2023
zelkam is an "why are you running"
by UnityZelkSucks February 01, 2020
by Sates May 24, 2021
If I only could, be running up that hill...
by CalmG April 23, 2004
Having sex. Based on the scientific assertion that having sex uses the same amount of energy as running five miles.
by neilta August 22, 2009
to spank it, masterbate.
by kevin barnard August 12, 2003
To masturbate, usually referring to guys only. The term is used when a guy has the urge to whack it after seeing a hot girl.
I was dancing with this hot chick at the club, but I didn't go home with her. When I got home, I was so horny that I had to run one off.
by RexGibson March 06, 2004