sounds like you both belong in nursery
tbh I'd have just laughed and called him ****ed up, but he does sound like a 12 year old. Doesn't sound like you were best of friends anyway seeing as you blurted out 'shutup arsehole'
If he was joking, it'd have been a really funny line, but I assume he wasn't joking lol, or he's just winding you up.
He's obviously a tard tho, so just forget it and blank him or something.
or if he carries on, i'll bring the boys round
oh and btw they don't tell people..well..think about it. if you'd been raped..would you feel comfy admitting it? Admitting that you were forced to have sex with someone without consent? You'd be embarassed and ashamed..no dignity..etc etc..thats prolly why.