Having sex with someone on their period and then not washing off for days. The blood then oxidizes and creates a rusty film on said dick.
Oh dear God, did you hear about Jeremy? He had sex with a girl on her period three days ago, hadn't showered and now has a rusty banana.
by Definitely not Selena February 8, 2021
Get the Rusty banana mug.A banana resembling a rusty johnson, i.e. a penis that is covered in shit after ass-fucking, except usually covered in a layer of nut butter from peanuts or almonds instead of shit.
by chickenassholes November 15, 2010
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The act of purposefully having intercourse with a women using a Rapex Condom, causing extensive bleeding and coloring the penis red, hence the term "Rusty Banana"
by Rusty Shaklefordington September 29, 2013
Get the Rusty Banana mug.You must eat a chipotle burrito with only beef and with the habenaro sauce earlier in the day. Bring a girl home and while having sex with her tell her to close her eyes and lie on her stomach. Then shit on her back. Can also be subbed with taco bell fire sauce.
"Yo did you bring jennifer back to your place?"
"yeah man, we hit chipotle and she really wanted to do it so i gave her a rusty banana afterwards"
"yeah man, we hit chipotle and she really wanted to do it so i gave her a rusty banana afterwards"
by rustybanana July 4, 2016
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