Pulling a Roundtree 

When someone borrows as something from you and comes back to get repaid for what they borrowed.

I loaned Bob $20 bucks and the next week he was pulling a roundtree ( borrowing then saying it was them that gave it to you) and tried so say I owed him.

Pulling a Roundtree by Capone1978 December 27, 2019

Rowntree Rodeo 

the act of anal sex

That gay bloke loves to bum his boyfriend hard. It's a real Rowntree Rodeo

Rowntree Rodeo by The Course January 9, 2012

roundheeled 

Slutty, in the sense of rounded heels for easy positioning on the back. Archaic, but rather useful. Think of a skanky weeble.

roundheeled by Brian X September 11, 2003

shotgun roundtrip

an alternate term for "calling shotgun." The person who calls "shotgun roundtrip," gets to ride in shotgun(aka the passenger seat) to and from the particular destination.

A group of friends are walking to the car to get ice cream..
Jamie: Shotgun Roundtrip!
Ang: Aw man, I wanted to ride shotgun on the way home!
Jamie: too late!

(Now Jamie gets to ride in the shotgun(aka the passenger seat) to and from the ice cream shop.

shotgun roundtrip by barracooda June 4, 2009

roundheels 

n: A promiscuous person, usu. a promiscuous female. See "slut", etc.

More commonly used in the 1950's, this term has fallen into general disuse, but may still be heard in fiction that takes place in that era, or in circles that consider retro-talk cool.

"I wouldn't trust that little roundheels as far as I could throw her."

roundheels by Trash Can Jack February 10, 2005

rountree effect 

the rountree effect, is the effect in which you get friendzoned by every girl you try and hit on.

"your such a good friend, any girl would be lucky to have you"

#rountree effect

rountree effect by lucas brimmell May 3, 2014

little miss roundheels 

old fashion' adjective to describe a whore or someone who falls into bed easily.

"Look at Little Miss Roundheels workin' for drinks"

little miss roundheels by Thack22 June 11, 2006