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The process of submerging one' head invertiably ito a receptable of ice and water of which the temperatue may not exceed 45 degrees F, until one's face becomes completely numb. This act is followed by a shotgun of a beer, a beer bong, a beer funnel, or some other simliar chugging excerise. The final step is to stand up and enjoy its effects.

Invented as a beach drinkig activity
Dude, that last dunko was like liquid herione!
by Rando, Grubbs, and B-Gard January 15, 2005
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2
a word to express distress or frustration when a situation or something goes wrong or sucks
This is dunko! I cant believe my car broke down.

They canceled the show? thats dunko
by Dubie Sisters December 29, 2005
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4
used when something sucks or the situation is crazy
I cant believe my car broke down, this is dunko!

This trip is dunko, lets forget it and go home.
by Dubie Sisters December 24, 2005
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