When you ejaculate and instead of shooting outwards, it just overflows like a volcano and runs down your dick.
by Big Taran November 01, 2010
Get the cumcanomug. by Justme™ February 16, 2020
Get the Cumcanomug. the acting cumming in ass then having that person fart directly into your mouth blasyingnout all the semen.
Man1: dude I came in my girls ass and we pulled an accidental cumcano. *goes in for a high five*
Man2: Johnathan that was your mother she came to visit you in the asylum you've been locked up for 8 years
Man1 so no high five *lowers hand*
Man2: Johnathan that was your mother she came to visit you in the asylum you've been locked up for 8 years
Man1 so no high five *lowers hand*
by Herbert joemingo January 06, 2020
Get the Cumcanomug. When masturbating after ejaculation when the cum fills your belly button. You squeeze your belly button causing a cumcano
by dr. cuddles February 22, 2011
Get the Cumcanomug.