Top definition
That sensation men get where it feels like their testicles are trying to crawl back up inside them. Often experienced when watching someone get hit in the nuts or when you misstep on stairs.
A: "Watching that video gave me the worst testortum"
B: "I almost tripped; that was my first testortum in a while"
by krynge February 04, 2016
Get the mug
Get a testortum mug for your father Paul.