look up any word, like cleveland steamer:
 
3.
Friends with benefits but for lesbians.
Tom: Did you hear about Dana and Katie?
Matt: What do they go out?
Tom: No they're just breast friends.
Matt: Hot
by Hank11234 January 26, 2011
 
1.
A man's female best friend with no romantic feelings between the two.
Finding himself dateless on a Friday night, Jenkins decided to call his breast friend Leanna to hang out.
by fisherich September 15, 2009
 
2.
when two girls are friends and lovers
Those two girls are more than friends, they are breast friends!
by $tephanie April 17, 2006
 
4.
A female best friend
Jean has been my breastfriend since high school.
by proffessor010 September 07, 2010
 
5.
Friends with benefits but for lesbians.
Tom: Did you hear about Dana and Katie?
Matt: What do they go out?
Tom: No they're just breast friends.
Matt: Hot
by Hank11234 January 26, 2011
 
6.
Similar to "friends with benefits" except not full "benefits" just copping a feel...
Johnny and Lisa are Breast Friends, its like they are going out... but are not.
by Nou! May 30, 2009
 
7.
Noun;
The girl in a group of guys that can keep pace with the men and give each of them her opinion and get the dirt on the skanks that they are dating.
Joe: Dude! Julie just told me that this girl that I'm interested in, Lisa, is a total whore!
Tom: That's what you get when Julie is your breast friend.
by gamenut89 August 14, 2008