It's a kinda sexual term...it means basically a males donut (butt) is to the banana (penis), It can be used also in a way that talks about a male and a female, I think...
ask your dad no wait, ask your mom.
Banana box up sheep runs, donut!
If by "donut" you mean hentai, then yes.
donut in tennis means u have a score of 0 in a set this is reffered to as a donut
your yellow banana
Banana means I am married.
Translation: banana
youre out from hitting
It mean that youre very intelligiance
youre not eating right
The word "banana" in Hindi is "केला" (pronounced as kela).
Banana is, easily enough, "banana" in Japanese. The only difference is pronunciation: "Bah-nah-nah."