Sisir

A very cool guy, he is funny and is cool.

Guy 1: Hey is that Sisir?
Guy 2: yup
Guy 1: what a guy.

by isb1 December 9, 2021

Sistraught

Deeply upset and agitated on behalf of one's sister or bestie after a breakup.

"Rachel was very sistraught after her sister's recent breakup."

by PsychoSister May 10, 2023

Sisiandro

Combination of Spanish and Italien accents with a definition of yes, "Sí, sí". Could be used as a term good or cool, in addition to yes.

Hey, how was done your homework?

Sisiandro muchacho

by Kalibaba July 10, 2023