To ejaculate, in a number of ways. Including masturbation, sex, or any means of getting off. Can be a verb or noun.
I shot my dilly dally clear across the room.

I dilly dallied her.

I got dilly dally on my guitar.
by 6mSEF July 25, 2009
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kill time; do nothing of importance
any action that would take the place of work or some other necessary task
She didn't finish her homework, she was dilly dallying around online instead.
by Mandolin June 19, 2004
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To procrastinate in an air-headed manor. Couldn't give two shits; in another world.
I dilly dallied all day I was almost late for work.
by Mahwah, NJ 07430 June 18, 2004
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when your grandma/grandpa sees you play video games thinks you should be playing with a brick or something not on a screen (usually, she/he will mess up the video game name)
Stop dilly dallying and playing League of Warcraft and go outside!
by jqiu21 March 28, 2016
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to waste time and piss your parents off by being incredibly wait; stall
mom:"now son, dont dilly dally or i may have to spank you."
by laura R June 18, 2004
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To masturbate while you're supposed to be in a hurry.
"Hey, you were supposed to take a quick shower." "Sorry, I was dilly dallying." "I KNEW IT."
by ruffortstuffman April 3, 2010
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stop making a day of it dilly dally mother f__ker
by DrPepper June 18, 2004
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