the feeling you get when you laugh. since you aren't always happy and since you aren't always sad, flumpty is simply however you feel when you laugh. sad happy whatever.
i feel flumpty. i felt flumpty. i have flumpty feelings.
by Kye September 12, 2004
Scottish slang for someone who is stupid or has done something idiotic.
"You flumpty, why did you drink so much beer last night ?"
by fhman August 29, 2005