Colloquial for "boy and girl" in some parts of the United States, Wales, and Northern Ireland. Sometimes used in Australia.
"Hey look, Kim gave birth!" "Woah, was it a Bob, a Jill, or a Bob and Jill?" "A Bob -- his name is Saint West."
Jack and Jill party: a gathering of males and females, who masturbate in front of each other for mutual stimulation and enjoyment. (Generally looking is encouraged but touching is not.)
From jack and jill, with reference to the nursery rhyme Jack and Jill.
Last weekend my wife and I went to a Jack and Jill party.
hold out your right hand in front of your face, fingers spread out, palm away - the fingers of your hand should spell out "jill" respectively; referred to when someone is suspected of masturbating
you were in your room for awhile. spending quality time with your bff jill?
if guys jack off, then gals jill off.
not to be out done by the boys, the tom girl jilled-off faster then had ever been see before
The female version of wank bank - A conscious thought by females to mentally photograph a person so as to be able to masturbate or jill off while thinking about them at a later date. Jill off is the female version of jack off: unassisted autoerotic stimulation.
"That dude is seriously hot!"
"Yeah, I might put him in the jill till"
When Jill go down her OWN hill...
She Jill-offs once a night before Jack cums tumbling after.
Masturbate if one is a woman, the female form of jacking off