sistromance 

noun.

A close but non-sexual relationship between two women, a form of homo-social intimacy.

The female equivalent of "bromance".

"Did you see those two kissing? Are they lesbians?"

- "Na, it's just a sistromance."

sistromance by Sheila Jane November 3, 2009

Sistermance 

The female equivalent of bromance. Love and affection shared by two straight females.

Not to be confused with shoujo-ai, yuri, or femslash.

Jamie: "Have you seen Firefly? Kaylee and Inara have the cutest sistermance."
Sam: "Agreed! Mal and Wash's bromance is awesome, too."

Sistermance by Skydive Off Isengard August 11, 2014

Sistamance 

A bromance for girls

"Linda and Pearl had a sistamance"

Sistamance by FamilyJules February 22, 2010