Your sister
Its a more recent variation of 'your mom'. is often used to insult somebody with or without a sister. used more often now as your mom is becoming out dated. (still only used by douche bags)
Synonyms for Your sister
On this page, you will find 30 slang terms related to Your sister. Some of the top words include: your mom, your mum, jermum, old girl, smart aleck, and 25 more.