unreliable 

undependable, irresponsible, untrustworthy

James : Andy has bailed again he is now on punishment
Nick : You know baldy he is unreliable

unreliable by yittybum June 30, 2011

Unreliable, untestable truth

The embodiment of faith.

Oh, you have faith do you?

The next time you feel compelled to use the word 'faith', why don't you try replacing it with: 'pretending to know something that I really don't know''.
If you really want to keep it simple you could just say: 'I have unreliable, untestable truth'.

Unreliable, untestable truth by YAWA October 31, 2017

UNBEATABLEB3N 

an amazing well known gamer who is loved by all, one of the best quickscopers ever seen

"wtf it UNBEATABLEB3N join his game sesh and no scope his ass"

UNBEATABLEB3N by ben chmura May 16, 2010

Unreliable texter 

A person who texts unreliably; they can either respond in ten minutes or ten days. Also quality of texts are unpredictable. They are either short one words or paragraphs.

Oh yeah you know Courtney? She’s such an unreliable texter! She hasn’t responded in a week!

Unreliable texter by CTwister February 2, 2023

Unreliable 

Not able to be counted on; Not performing expected duties.

UrbanDictionary.com's definiton of pippie is very unreliable, as each one of the six definitons gives a different meaning for the word.

Unreliable by Rodney Basil April 10, 2004

Unbeatable Game 

Before bed, take two shots of NyQuil and chug a beer. After this, attempt to jerk off. No matter how it ends, you win.

"Last night, I played the unbeatable game. Best night of sleep I've gotten in quite a while."

Unbeatable Game by iamthelaw September 20, 2009

Unbeatable Vow 

A vow taken by someone that they will not beat off (masturbate) until a goal that they have set for themselves has been achieved. It is a method of motivation, used mostly by athletes.

I'm taking an unbeatable vow until I beat Conner in a race.

I need an A this quarter, I'm taking an unbeatable vow until I do so!

Unbeatable Vow by CHS XC October 1, 2010