"Sugma" is another sly way of saying "Suck my" So if a nigga pull this one out on you, be prepared for intense combat.
James: lol niggas rly out here named Gerald.
Gerald: hey jay, have you heard of sugma?
James: whats sugma?
Gerald: sugma balls. B i t c h .
When there's that one person who can't shut the fuck up, just refer to them as this.
Kim: What is actually wrong with you.
Sam: Can you like, shut up you fucking coconit.