Australian term meaning a bad shag/f*ck. The word can be either used to describe the act itself or the person.
person 1: 'What happened last night round Brad's house then? Did you sleep over?'
person 2: 'Yeah'
person 1: 'Well, what happened?! was he any good?'
person 2: 'Not as great as i thought, he's/it was such a dud bash!'
Someone who is the maximum amount of dud; a fucking idiot.
I was driving home from work and some dud max totally cut me off!
When a pregnant woman's breasts are so engorged that no milk will come out.
After my son was born I had 2 milk duds.
When you can't get an erection but it's not a recurring problem
"Hey did you get with Carolina last night?"
"Yeah it was great but I had dud dick"
"Ah that's alright mate"
Spiffed out, dressed up, or done up to look spectacular.
Did you see my new truck? It' all dudded out with an awesome paint job, spinner rims, and pipes!
when your conversation is dull or all of the sudden someone says something to kill it.
dude! convo dud.
i know i suck.