Definitions by hyper miler

sizeflation 

The decrease in consumer package size for the same price resulting in inflation due to size reduction.

A half gallon of ice cream is now packaged as 48oz. It's costing me 25% more due to sizeflation.

sizeflation by hyper miler June 19, 2008

hypermileage 

The excessive or above normal miles per gallon rate achieved by using hypermiling driving habits.

By coasting downhill my hypermileage was 10 miles per gallon better than normal

hypermileage by hyper miler June 10, 2008

hypermileage 

The excessive or above normal miles per gallon rate achieved by using hypermiling driving habits.

By coasting downhill my hypermileage was 10 miles per gallon better than normal

hypermileage by hyper miler June 9, 2008