Crystal dilly

A crystal dildo. Could be used depending on what type of crystal is it.

Person 1: Yo I just bought a crystal dilly! It's amethyst too!!
Person 2: What the fuck?

dilly-bopper

A rap on the head with the knuckles, usually as a punishment.

Dad: Billy stop making fun of your mother right now!!
Billy: But she's soooooo fat!
Dad: Gives Billy a sound dilly-bopper on the top of the head.
Dad: I will not tolerate your mocking!

dilly daddlers

Some one who is walking really slow

Those kids are dilly daddlers

scrum-dilly-umptious

identifying the flavor profile as superior to a typical flavor from a meal.

hot mama: oh my gosh this food is scrum-dilly-umptious
Gordon Ramsey: ik I ate bye.