noun

1. 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.

2. The penis.

verb

1. To cheat; to swindle.

2. To have sex with.

3. To masturbate (especially of women).

Synonyms: defraud, take for a ride, go to bed with, sleep with, beat off, play with oneself, reel, stagger

interjection

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

   “What's that tune that goes "diddle di-dum, diddle di-dum, diddle di-dum-dum"?”