yoyoer 

one who demonstrates an expertise in the area of yoyos and has mastered yoyo tricks.

Yoyoer champs include the following Mark Montgomery (AP) US
Johnnie DelValle (A) USA Shinji Saito (AA) Japan Daisuke Shimada (AAA) Japan Rafael Matsunga (CW) Brazil Eiji Okuyama (OS) Japan.

yoyoer by G squared October 26, 2006

Yoloer 

A person that lives the complete YOLO lifestyle; somebody who lives their lives to the max.

"Did you hear Joe went skydiving?" Frank said.
"Yeah, he's such a Yoloer," remarked Jim.

Yoloer by Joe The Hoe July 23, 2012

Yoyofro 

Yoyofro, also said "Yoyo Bro" is usually the name of a person who thinks they're cool because they say swag and yo.

They end up saying these words so much that they become "swag masters" and start off every converstation with yo, bruh, suh, cuh or fam and never finish off any word ending in "ing"

Example: Chillin' Nothin' Walkin'

Yoyofro: Yo wassuh fam, how we chillin' cuh?
Regular Person: uh, yeah hi dude. What's up?
Yoyofro: nuthin' much bruh, i was chillin' all day fuckin' on Dave's bitch. Whas down wich u fam?
Regular Person: End my suffering please.

Yoyofro by Double-Yoshi-Exploshi April 18, 2017

Yo-yoer

A person who uses other people like yo-yos.
similar to a player but with a less negative connotation
Or a person who just changes their mind about liking a person a lot.

We gotta be yo-yoers, we're gonna play those guys, not let them play us!

He said he wanted me, then he didn't, then he wanted me back. What a yo-yoer.

Yo-yoer by Erica Marie March 19, 2008

Yo-yoer

A person who is unable to stay for an extended period of time in silent study areas of university libraries.

Helen is a yo-yoer.

Yo-yoer by Shkorf February 19, 2011

Yoyerwack 

selfish, pompous, rich white, who only has time for himself and love for his dick

hi im yoyerwack i would rather gamble on horse than see my girl!

Yoyerwack by Jessica October 29, 2003

Yoyerwack 

A lame, rich, white who lives in Inwood and is going to be killed

"Yoyerwack you are a lame, rich white, I'm going to set your car on fire"

Yoyerwack by Jessica March 12, 2003