Meaning you "own" someone completely, to the point of extreme embarrasment. This phrase got some attention due to the "Genocide Path" of the popular game Undertale, where, if you try to spare the last person in your way to the game's end, get trolled and see this phrase as a message afterwards.
*Person 1 blows Person 2 up in an action movie*
Person 1:"GET DUNKED ON, PIECE OF SHIT!!!
Mixing your donut or bagel with coffee in your mouth while driving creates the dunking effect without spilling your coffee.
I was running late to work so I ate in my car and had to travel dunk my bagel so I wouldn't spill my coffee.
Its taking a shit but full of diarrhea.
A number two with water.
Rick: I took a swirl dunk today.
Jen: ewww. Nasty.
An incredibly sexually attractive female with 102ZZZ sized breasts and an incredibly large penis, Creator of the grand field theory and creator of the hand burger, the hamburger you jack off with. The views and standpoints of sophie dunk could alter the motives of the south Malaysian drug cartel and set Pete Davidson of on a rampage of public indecency and infanticide by vehicular assault.
Wow that sophie dunk is a hottie!
The female equivalent of teabagging, the Muffin Dunk is th act of placing the "muffin" on the bridge of someone's nose.
Dude, I saw this chick muffin dunk her drunk friend at a party.
When you put you peanut ( in it's shell) in the hole of your dick then jacking off to get it out
Dude have you been peanut dunking it feels amazing.
Mmmmm peanut dunking
The act of sitting balls naked on the toilet while taking a shit and swigging some fine beer. Designated "Swiss" for the exquisite cocoa products comin' out yer bungbungbung.
GIRL: "Where's Francis? We gotta get to the concert?"
GUY: "Bastard's still at home havin' himself a Swiss dunk."
GIRL: "Ewwwwww... what kinda beer does he drink?"
GUY: "A lot of German beers."
GIRL: "That would figure. Now every time I see a German beer, I'm going to think of sloppy, drunk asshole."