The diffusion of mannerisms, knowledge, affectations and ideas from one biological system to another primarily through repetitive sexual intercourse.
Girl #1: I never knew you could speak French, girl!
Girl #2: I must have picked it up through cockmosis since I started balling Doug.
Girl #2: I must have picked it up through cockmosis since I started balling Doug.
by Golden-Rod March 1, 2008
Get the cockmosismug.