sister penis

something that Sekretsu can't find out what it means.

"No, I'm not going to hentai.org to find out what sister penis is."

by Iking01 March 27, 2015

your sisters penis

Almost as good as your moms cock but not quite! It’s more slimy but it’s a little smaller! The one thing though is it’s fatter than your moms cock!

Your sisters penis was so nice last night. Uahhhh

by The_Dank_Kid-69 February 22, 2018

Penis sisters

Sisters or friends that have both had sex with the same man.

Shelly and Sarah are penis sisters now that Sarah is banging John.

by Boss Panda December 28, 2021