Underaggeration

The opposite of "over exaggerate".

To claim something is a lot less/smaller than it really is.

Can also be used in the forms "Underaggerating" and "Underaggerate"

Kathryn: How much do you get paid?

Darren: GYFNO

Kathryn: Come on, tell me. You know I'll find out anyway.

Darren: If you must know, $70,000 per year

Kathryn: That's the worst case of underaggeration I've ever heard!

by The Noam Gnome August 25, 2011

underaggerate

To exaggerate negativly a quantity for the purpose of self promotion.

John : My car does 0-60 in only 5 seconds!
Johns friend : Don't underaggerate its more like 12.

by Owen Cox July 25, 2006