- One of a religious denomination whose tenets and practices
are mainly those of the Baptists, but partly those of the Quakers; --
called also Tunkers, Dunkards, Dippers, and, by themselves, Brethren,
and German Baptists.
Meaning of 'dunker' (Princeton's WordNet)
1 . dunker
[ n]
Meaning (1): - an eater who dips food into a liquid before eating it
Example in sentence:
he was a dunker--he couldn't eat a doughnut without a cup of coffee to dunk it in