Fullshitter 

When someone is a bullshitter and full of shit concurrently

I’m sick of Robert. He such a fullshitter

Fullshitter by Cwmnyc May 15, 2019

Chronic Bullshitter 

A person who smokes a large amount of marijuana and exaggerates things or makes them up.

Guy: Do you think Dave really caught a 200lb bass?
Guy 2: No. Dave is a chronic bullshitter. The more he smokes, the bigger the bass gets.

Chronic Bullshitter by CaptainCrakhead May 26, 2013

Band 5 Bullshitter

An NHS Employee that tells lies.

That nurse said I had cancer, it turns out I had the clap, she is a band 5 bullshitter

Band 5 Bullshitter by jonny bogroll the seventh May 6, 2021

Don't bullshit a bullshitter 

The words of wisdom received when a person tries to deceive someone who is good at deceiving people.

So I told my dad "I drove your car to the party and was drinking, but my friend who wasn't drinking drove your car home." My dad said, "Son, I'm a used car salesman, Don't bullshit a bullshitter."

Don't bullshit a bullshitter by largestcockintheworld October 4, 2011

Bullshittery 

The act of making false statements or claims.

Tv Infomercial:
"Lose 385 pounds in 3 days with this amazing workout and new pill! It takes your regular metabolism, and puts it on crack!"

Person:
"That is such bullshittery."

Bullshittery by electric172 August 28, 2005

Bullshittery 

An art form, usually used when trying to pass a test you didn't study for.

Josh: Hey man what did you write about for the history essay?

Javier: I don't know, man. I just used my skills in bullshittery and prayed it made sense.

Bullshittery by Trumpeteer10 April 19, 2020

Bullshitter 

Noun, one who frequently gives misleading information, provides excuses when necessary, gives bogus facts to support alibi for bailing or standing up plans, doesn't answer phone calls as way to deter oncoming plans.

Zach was such a bullshitter that he almost believed himself when he told people he forgot to check his phone.

Bullshitter by tommy bullshittin January 4, 2015