1 definition by Dahhn
An expression used to keep kooks and other pests out of the water. Usually used in conjunction with other insults, such as "donkey" or "goon".
-Its soooo big today!! Did you see that barrel?
-You're a doinker, get out of the water. Locals only.
-You're a doinker, get out of the water. Locals only.
by Dahhn October 22, 2009