bananas up

A phrase common in the gay community to mean that one is publicly interested in anonymous sex. It refers to the practice of one turning ones banana bunch curved upward in the shopping cart at the grocery store. This practice means that the "cart pusher" is looking to get his "cart pushed."

While Grant was at the store simply shopping for strudel, he was quickly distracted when he saw that Brandon had gone bananas up.

Banana up the Tailpipe

1) to engage in anal sex

"Omg did you hear what Chris did to Jenny?"
"Yeah he gave her a banana up the tailpipe."

Bananas Up My Ass

Shoving a Banana, or a long yellow fruit, right up your rectal cavity, like a dildo or a hamster,or a gay man's DICK

"Jerry, I'd like you to shove Bananas Up My Ass"

banana up your ass and around the corner

An insult.
Very painful if applied on real life scenario's.

I'm gonna stick a banana up your ass and around the corner, you asshole!