chuck one up her

To (prospectively) have penetrative sex with a female.

Possibly of Australian origin, this jocular euphemism for sexual intercourse is typically used by men discussing the attractiveness of a specific (but non-present) woman.

The phrase may be a derivation of the derogatory joke "She's so loose, it was like chucking a chipolata up the high street" in which the male speaker not only slanders the large size of the female subject's vagina, but also disparages the size of his own penis.

"That Helen Mirren's hot for a mature lady."
"Damn right mate, I'd chuck one up her!"

tweek her

Female masturbating

I'm so horny I'm going to tweek her

Getting Her Famous Sweet Potato Pie

Smearing pie filling on a ballsack while a live duck scrapes it off with its bill.

I went to Ms. Kay's home for a chance of getting her famous sweet potato pie.