When you ejaculate and instead of shooting outwards, it just overflows like a volcano and runs down your dick.
by Big Taran October 31, 2010
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
by Justme™ February 16, 2020
When masturbating after ejaculation when the cum fills your belly button. You squeeze your belly button causing a cumcano
by dr. cuddles February 03, 2011