An event in which someone will stop doing anything because they need to drop a deuce within the next 30 seconds whether they're ready or not.
PERSON 1: "Why did Ron jump off the mechanical bull so quickly and waddle over to the bathroom?"
PERSON 2: "Those street tacos he ate earlier in Tijuana gave him a shimergency."
PERSON 2: "Those street tacos he ate earlier in Tijuana gave him a shimergency."
by Nick, the Mob Stopper May 19, 2008
Much like an Urban Cougar, except she's a woman well into her forties and still out tryin to do the sausage slide. The term comes from the fact that Nolan Ryan was still in his forties, but "still throwing heat."
by Nick, the Mob Stopper November 08, 2007