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1.
In short, to fool around with oneself; to masturbate; to commit Onanism.
Preferring toys to men, she diddled Valentine's night away.
by rokesmith February 14, 2005
108 31
 
2.
to fool around with someone and do naughty acts to one another
"Did you hear?"
"Hear what?"

"Girl and Boy were diddling in the tent last night!"
by SimplyAmazing December 19, 2009
30 13
 
3.
In short, to fool around with someone.
I saw my roomate diddling!!
by ~* JESSICA *~ December 16, 2004
28 41