1 definition by mr.mxyzptlk

Top Definition
a disastrously large number.
etymology: combines "Katrina" (a reference to Hurricane Katrina, which devastated New Orleans) with the suffix "-illion" (indicating a large number).
Our new house requires a katrillion things fixed before we can move in.

This renovation is going to cost a katrillion dollars.
by mr.mxyzptlk June 22, 2012

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