Longman Dictionary of Contemporary English homepage

Date: 1900-2000
Origin: Probably from doodlysquat 'nothing' (1900-2000)

diddly

 noun
     
did‧dly also did‧dly‧squat American English informal

not know/mean diddly

to know or mean nothing at all:
Brad? He doesn't know diddly about baseball.
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary

Browse the dictionary