What one says to another on an Instant Messenger when you don't want to talk to them. This way they spend hours looking for what tnvd means because they don't want to sound stupid and out of touch when they ask.
JAMES LMFAO says: hi hi hi hi hi HOLA HEYY HEYY HEYY
elsa says: hey...
JAMES LMFAO says: OMFG ur soo fun-e! ha! get it?
elsa says: tnvd
(this is the part when JAMES LMFAO googles tnvd and finds nothing for 3 hours straight)