Non-sensical word used for describing a multitude of emotions, objects, and activities.
Meanings vary according to inflection.
See also: Dude
"Aw schnudley, junior's gotten into the drain cleaner again."
"Don't be a schnudley head."
*wink wink* "Hey, would you like to rub my schnudley?"
"That's quite a schnudley car you have there..."