I've heard this term used by young Korean men who put their index fingers together and ram their other male friends in the arse when they bend over and yell "BASHA!!!". It is done in fun and is not homosexual in nature. It's like a titty twister.
Sang bent over to get a pen and I went BASHA and got him in the ass.
Basha- a girl that is very attractive. She often has the best hair in the group. Many boys are attracted to her. She gives the best blow jobs in the country. Basha also has the best body and has perfect boobs to ass ratio.
I heared he hooked up with basha on vacation, damn he's lucky!!