A common way used by Italians to define Negrone, which is a small village in the municipality of Bergamo. The term was first used by Alberto Belotti, also known as "Doc".
Zitto che quando altri ti chiedono dove abiti dici scanzo perchè sai anche te che negrone è un coso del cazo
To sleep together in the same bed or similar space. Does not imply having sex. It's what "sleep together" would've meant if we hadn't turned it into a slang idiom meaning "to have sex".
"The kids used to cosominate until we got them separate beds when they were 6 and 8."
"You can crash here if you don't mind cosominating. I don't have a spare mattress."
"We just started having sex last week, but we've been cosominating for months."
Short for Cock Sucker Mother Fucker. Or (as one Co So Mo Fo thought) Cock Sucking Mother Fucker. Either way its somone who sucks cocks cock sucker and fucks mothers motherfucker