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2.
Something that starts out tiny but transforms into something enormous.
The transformation of Apple Computer from "garage brand" to "global empire" is tinormous.

The idea was tinormous; It started out as a spark and turned into a raging fire.

My boyfriend had a tinormous weenie.
by thanksthanks October 14, 2013
 
1.
{tai-NOR-muss} Adj: Extremely tiny; the opposite of "ginormous"
New technologies have made microchips tinormous.
"He has a tinormous penis."
by dele. September 17, 2007