Other definitions of the word DINK

-Dink is slang for a silly person, a fool.
-Dink is slang for a member of a wealthy, but childless couple (double income, no kids).
-Dink is British slang for to hit someone with a weapon.
-Dink is Australian and New Zealand slang for to carry a second person on a horse, bicycle, etc.
-Dink is Australian and New Zealand slang for two people to travel together on a horse, bicycle, etc.

Had the original poster used the word in conjunction with something aluding to race, such as "this Asian _____" then he's being racist, or at the very least insensitive. By the same token, if someone takes offense to the term, an apology should be offered and we should all go off and ride our bikes.