A chatango pervert who always wants to roleplay. Him being the Uke and you being the seme.
A stuttery role player who speaks like the above mentioned uke chan.
Uke Chan: h-hello, w-would y-y-y-ou like to t-t-t-ouch me ?
Person one: H-hi my n-n-n-name is y-y-y-yuki
Person Two: What an Uke Chan...