Two Individuals having sex with someone. Also See Threesome.
You know veronica? Yeah!! Adam and Ronnie were Co hitting that.
by Team Freddy March 20, 2007
Get a co hitting mug for your fish Abdul.
Having relations with a partner whom is in a committed relationship with a third party.
"No, we never dated her but I was definitely co-hitting that."

"I know she has a boyfriend but I'm not too proud to be co-hitting that."
by J. Clark May 17, 2007
Get the co-hitting neck gaiter and mug.