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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
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5
Your fuck buddy that happens, does not need 2 be female.

Necessities:

Must have breasts
"Yo are y'all together?"
"Na, she just my breast friend"

"Mathiccy, r u fuking Piper"
"Nah, she wont be my breast friend"

"Quincy u know Areeb cant be ur breast friend"
"cmon he got mad titts"
by canufuckanostril March 05, 2018
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