5th Street 

5th street is a term used in various games of poker (commonly in Texas Hold'em and Omaha).

After the flop, and the turn, comes 5th Street, which is the 5th community card to be dealt face-up. A more common name for 5th Street is the river.

Johnny had the nuts, but I caught him by surprise, and by luck, on 5th street.

5th Street by Giskard July 20, 2004

4th and 5th Street 

Getting to/on "4th and 5th Street" refers to the act of penetrating a woman's vagina and butt-hole simultaneously.

Synonyms: shocker, double-penetration

"I had two in the pink and one in the stink! I was on 4th and 5th Street!"

We double teamed her! We were on 4th and 5th street!

4th and 5th Street by Kurtwood Mudgens, Sr. December 1, 2009