the feeling you get after a session of awesome foreplay followed by passionate sex and screaming into a pillow that leaves you out of breath and unable to move except to give a thumbs up to your significant other.
Term used to describe the immense uncomfortable feeling after a extremely heavy night of drinking and or drugs.
Sean: Dude, holy shit! you don't look so fucking good.
Owen: Quick! grab me a bucket, I feel like a Shitbag full of Fuckdust!
Sean: yeah you look like one too.
Owen: Just get me the bucket already cockface
A combination of the words "fuck" and "duh". Usually a word used to replace "fucking duh." Often used to show a high emotional reaction to an obviously stupid statement.
"Hey, I see you cast, did you break your arm?"
"Um.....fuckduh!!"