1 definition by Mark Renfro

Top Definition
The amount that one thing is shorter in height than another is calculated as the first thing’s "underage."

Note: Not to be confused with “underage” as in, younger than 18.
The underage of this midget to that one is about three inches.
by Mark Renfro March 23, 2007

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug