I found the following in google:

1. Artery - the study of art

2. Bacteria - the back door of a cafeteria

3. Biology - the scientific study of the number 2

4. Nitrates - prices of services in the evening

5. Tumor - additional two of something

 

Frisbeetarianism - the doctrine that when you die your soul flies up onto the roof and gets stick there

Boron - a boring moron

Plato - the reflection of a lump of Play-doh on a cave wall

(to be continued another day, maybe with a couple of my favorite Ambrose Bierce definitions)

 

 

 

 

 

Inertial theory - ideas that never seem to gain momentum.

Hysterectomy - the panic you feel just before you fart in front of a bunch of people. 

Transistor - a nun who's had gender reassignment.

Momentum - the truth about all those bad things Mo said about you.

Elementary particles - the dreams that stuff is made of.