Mr. Fister

A man who penetrates other men/women rapidly with his fist.

"Hey look, there's the legendary Mr. Fister. How was last night?"

by datindianguy10 November 23, 2016

Mr. Sister Fister

Mr. Sister Fister is a middle aged man who puts his finger his sister’s vagina

That man looks like/is a Mr. Sister Fister

by Hepatitis A January 29, 2018