Top Definition
Long-Term Non-Progressor. Used to describe a small subset of HIV-positive people who are asymptomatic for decades. An LTNP doesn't need antiretrovirals; his or her body manages to control the virus on it's own.
Edmund White, the famous novelist, is an LTNP.
by Jay June 19, 2006
1 more definition
The place with annoying kids that pee on your ride, parents that bitch and moan when they're kid is too tall, or where you feel like you're gonna pass out if you have to watch one more lady bug go around in circles...
In other words Loony Toons National Park...
"Ack! I got sent to LTNP!"
by xavier February 05, 2005

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