by Bjjthats2jsfanatic February 14, 2021

by Sub70iq September 20, 2023

by noobman8 October 9, 2014

by Notgarret's sister December 13, 2022

If you mess with one sister, the other is always right there to kick some mother fucking ass. Sisters are for life. Don't fuck with one, because you are sure to having to deal with the other crazy bitch
by TomlinsonCRB October 8, 2017

by Nellie45 November 22, 2022

When two women have had sex with the same guy. Akin to the not-so-great male term “Eskimo brother.” So named this because the two women have both “slid down the same pole.” This act brings about a specially bonded type of sisterhood.
Jess: I got way too wasted and somehow hooked up with Brian last night.
Sarah: Ew gross. He’s horrible in bed but now we’re Fireman Sisters since I hooked up with him last year. Cool!
Sarah: Ew gross. He’s horrible in bed but now we’re Fireman Sisters since I hooked up with him last year. Cool!
by Jam Sandwitcher July 21, 2022
