Mechanic's Fluid 

Usualy Beer ,sometimes whiskey, used to overcome the stress of idiotic custmers..

Mrs Jones wants her engine overhauled by 3 and she wants to wait on it...Get me a six-pac of Mechanic's Fluid

Mechanic's Fluid by Mkcarrdini December 5, 2005

Fluid Mechanics

The one area of physics where its researchers are actually mostly mathematicians.

Ed: Ey Bob I am studying fluid mechanics
Bob: You mean the area of physics you see mathematicians and engineers study instead of physicists?

Fluid Mechanics by EpicScientician September 17, 2021