I think it means that even though he's been rimmed by other people in the past, Doumeki's rimjob gave him an unprecedented pleasure, something he has never experienced before. "I don't know this guy's tongue" = "I've never felt like this with anyone else".
I think it means that even though he's been rimmed by other people in the past, Doumeki's rimjob gave him an unprecedented pleasure, something he has never experienced before. "I don't know this guy's tongue" =... Some perv'
Ohhhh right that's makes a lil more sense thanks !
" i don't know this guys tongue what" what does that mean?!