Alternative to 'sister from another mister'. A close girlfriend that is practically your family i.e. sister. Instead of from a different Mister, you came from the same Mom, or poon.

Friend 1: "I love you guys so much!"

Friend 2: "I'm so glad we're poon sisters!"

Poon Sister by lonerice December 9, 2010

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Ur Sister Queer

Ur sister queer is the ultimate clapback. It shan't be used in ordinary situations, but only in response to "ur pappy trappy". With great power comes great responsibility. Using this extremely powerful phrase could tear the Metaverse apart.

+ Ur gay
- Ur mom gay
+ Ur daddy lesbian
-Ur granny tranny
+ Ur pappy trappy
- Ur sister queer

*The fourth wall is broken and fiction becomes reality. The universe is confined to one single normie meme.*

Ur Sister Queer by Xz1ley March 13, 2018

Mr. Sister

A big and tall dutch guy who'll do anything to hump your sister. He's climing in your windows, he's snatching your people up, tryin' to play them, so you'll need to hide your sister and hide your friends, 'cause he's humpin' everybody out here.

The typical Mr. Sister brews his own beer and studies Industrial Economics and Management

Mr. Sister: How is your sister?
Mr. Sister: I won't say anything about Sissel's boobs, but if it runs in the family....

Mr. Sister by Another IEaTM January 12, 2011

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