diu(2)

diu沒有2,3,4聲(變調不算)
有第1聲diu1,如:丟臉,丟人,丟棄

There is no such Chinese character associated with this Putonghua " pin-yin ". However, it sounds like a Cantonese foul language. Hope you are not deliberately asking it for fun or else you'll risk being complained by others.