Inserting your fingers into a woman’s vagina up to your knuckles.

A catch all word to describe anything that is basic, uncool or untrendy. According to The New York Times, "cheugy (pronounced chew-gee) can be used, broadly, to describe someone who is out of date or trying too hard."

Things that are cheugy:

The New York Times
PT Cruisers
Goldendoodles

Australians

Addison Rae
White people
Billionaires

The person writing this definition

Not to be confused with finger fucking , knuckle dunking is abit more gentle and must be done an hour or less after dunking powered mini donuts in milk.