Bullshitize 

To bullshit the well, shit; to have absolutely no idea what you are talking about yet convincing yourself and others that you do.

Zach: This totally blows! I only have 3 out of 5 pages I need for this essay!
Steve: Dude, you need to bullshitize two more pages and you'll be fine!
Zach: Great idea man!

Bullshitize by MysterySteve September 27, 2011

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

bullshiting 

Not being truthful, procrastinating, not taking things serious. joking.

My fiance talks about getting married, but my fiance's actions is telling me otherwise. I believe my fiance is bullshiting.

bullshiting by Billy C. 14693273 May 26, 2018

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

bullshitium 

The concept of bullshit as an addition to the Periodic Table of Elements

Your argument is pure weapons-grade bullshitium

bullshitium by kemo Dodger November 5, 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