thunderwear

Underwear for the extremely obese, those who make the earth tremble when they walk.
See also thunderbra, thunderthong, thunderpants.

Three hundred and fifty pound Herb's thunderwear was big enough to cover the infield at Yankee Stadium.

by Led Zeppole October 26, 2003

Thunderwear

Underwear for the obese.

"I like to make fun of fat girls who buy thunderwear at plus-size stores."

by JrBaconCheeseburger153 January 23, 2015

Thunderwear

A merging of 'thermal' and 'underwear' to give thunderwear

What are you wearing underneath your clothes?
Thunderwear!
What's that?
It's thermal underwear

by jaffaw May 10, 2012