The act of vomiting, usually when inebriated; typically assuming the position flexed forward at the hips.
After a hard night with the party hat, I had a helluva bender.
Calling someone a 'Bender' is calling them either bisexual or a gender-bender, and the best thing about this word is that you don't have to decide which one it is! If you use it as an insult for banter without context, it means both simultaneously, meaning that you just cracked out a double whammy of an insult over your mate's head.
Ben: "I just want a cute and sweet girlfriend."
Michael: "I'm cute and sweet."
Ralph: "He said 'girlfriend' Michael you bender."
When people want to call others gay but want a ‘cool’ way of saying it.
”Varje person i klassen 9D var en bender, tur att de gått ut!”
UK slang for a homosexual male, can be used as a replacement for faggot.
Joseph: "You know, Josh is a faggot"
Andrew: "Yeah, he's a right bender"