Oxygen

Why do men have a hole in their penis? So their brains can get some oxygen now and then.
Oxygen went on a date with potassium last night.
It went OK.
A hydrogen molecule gets arrested.
His mother comes down to the police station to bail him out. She is met by the detective working the case.
I don’t understand it, says the mother. Hydrogen was always a good kid. I never had any problems til he met oxygen.
Don’t worry, says the detective. The situation is fluid but he won’t be charged.
Your body must be made of oxygen and neon because you are the One.
What did the bartender say when he saw oxygen, hydrogen, sulfur, sodium and phosphorous enter his barroom? OH SnaP!
You, sir, are an oxygen thief!