The boys from U2 showed up on the BBC's Radio 1 last week to talk about their new album No Line on the Horizon. They were on Jo Whiley's show, when she asked Bono what he thought of Coldplay frontman Chris Martin. It's about 2 minutes into the clip below.
So maybe your wondering what the big deal is. I did some reading to make sure I got this right. Calling someone a "wanker" in England is roughly the equivalent to calling someone an A-hole over here...and that is a radio no no.