Verb: To mess around or waste time. Typically used by the very elderly.
Ah you young whipper snapper. Stop dilly dallying and get off your ass!
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.
To procrastinate; waste time when there is something to do or somewhere you need to be.
"We'll never get there if you keep dilly-dallying!"
to bullshit and waste time
Come on and get dressed to leave! We don't have time for you to dilly dally!
See hem haw
. Procrastinate or to take an extra long time on, esp. a chore.
Father to daughter: "Get in the shower and don't dilly dally."
To postpone doing what one should be doing. delay
I didn't want to dillydally, 'cause I knew it would be waiting for me tomorrow.
to screw around, to doddle, to waste time
Mr. President, quit dilly dallying, you need to be arrested for war crimes.