horsepower vs oomph

horsepower

• Strength. 

• Power derived from the motion of a horse. 

• A nonmetric unit of power (symbol hp) with various definitions, for different applications. The most common of them is probably the mechanical horsepower, approximately equal to 745.7 watts. 

• A metric unit (symbol often PS from the German abbreviation), approximately equal to 735.5 watts. 

oomph

• Strength, power, passion or effectiveness; clout. 

• A bassy grunting or thudding sound. 

• Sex appeal. 

• To produce a bassy grunting or thudding sound.