Non existent jokes
Your hairline is like Mr. Clean's... nonexistent!
What does a "Smart Russian" and a "Unicorn" have in common?
Answer: Non-existence!
Your hairline is as nonexistent as your dad.
Your hairline is so nonexistent, even the universe couldn't find it.
A depressed kid takes a drink of water and someone takes it and takes a drink. "Oh come on, the train stopped, the rope broke, I couldn't get on the building, the gun was empty, the knife was dull, the bridge was too low, and the cliff was nonexistent, and now you took the poison!"
What do you call a depressed person's life?
At this point, nonexistent.
Why did the feminist get banned? For spreading conspiracy theories about the (non-existent) gender wage gap.
Old ladies are non existent.
You are like my girlfriend: imaginary and non-existent.
Your forehead is like my dad.
Non-existent.
Dude, has anyone made a joke about small foreheads? Oh wait... they would be nonexistent.