Top definition
1. To fall on to the ground idiotically.
2. Replaces swears.
1.He was about to suggest something when he flibberdibbered.
2. "I flibberdibberly hate you , you flibberdibber!"
by Hippolyta18 May 20, 2018
Get the mug
Get a Flibberdibber mug for your sister-in-law Helena.