What is sis short for?


A common, playful abbreviation used for sister.

The abbreviation may be used to refer to a biological sister or your bestie. The term is similar to the bro abbreviation.


"Hey sis, can you pick me up after school 2morrow?"
Matching big sis and lil sis jewelry

Matching big sis and lil sis jewelry

Related Slang


Last Updated: January 24, 2017

sis definition

This page explains what the abbreviation "sis" means. The definition, example, and related terms listed above have been written and compiled by the Slangit team.

We are constantly updating our database with new slang terms, acronyms, and abbreviations. If you would like to suggest a term or an update to an existing one, please let us know!