/ dʌŋk; NAmE / verb
1.
[ vn ] dunk sth (in / into sth) to put food quickly into liquid before eating it :
She sat reading a magazine, dunking cookies in her coffee.
2.
[ vn ] ( especially NAmE ) to push sb underwater for a short time, as a joke; to put sth into water :
The camera survived being dunked in the river.
3.
[ v , vn ] ( in basketball ) to jump very high and put the ball through the basket with great force from above
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WORD ORIGIN
early 20th cent.: from Pennsylvanian German dunke dip, from German tunken dip or plunge.