Definition of "diddle"

(music, countable) In percussion, two consecutive notes played by the same hand (either RR or LL), similar to the drag, except that by convention diddles are played the same speed as the context in which they are placed.  examples

(slang, childish, countable) The penis.  quotations

(slang, uncountable) Gin (the drink).  quotations

(transitive, slang) To cheat; to swindle.  quotations

(transitive, slang) To molest.

(transitive, slang) To masturbate (especially of women).

(transitive) To waste time.  examples

(intransitive) To totter, like a child learning to walk; to daddle.  quotations  examples

(transitive, computing, slang) To manipulate a value at the level of individual bits (binary digits).

A meaningless word used when singing a tune or indicating a rhythm.  examples