Top definition

1. A thing/concept that cannot be defined for a person who doesn't already know/understand what the thing/concept is.

2. A word/concept with a self-serving/redundant definition. (i.e. A word/concept that is defined solely for the purpose of the word/concept existing.)
"I can't tell you what it is unless you know what it is." (In this riddle the word 'it' represents a flibiddajib.)
by Literally Sunday November 13, 2011
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug