Usage notes: usually used with the verb get or as an interjection:
Dibs on the ice cream!
(first) dibs (on something)
slang The rights to something, or the rights to have first choice of something. "Dibs" are usually claimed verbally. I call dibs on the front seat!Hey, I had dibs on being first in line!
dibs on something
a claim on something. I've got dibs on the yellow one!Dibs on the front seat!