A fucked up way of spelling "Ventrilo" because someone decided to put an extra "l" in there.
Commonly known as "Vent" ventrilo is a peer 2 peer program devloped for communication between multiple parties. It is most commonly used for online gaming.
Search: "Ventrilo" for more info
"lol, screw this dude, typing sucks, let's hop on vent"
....example had to have the word ventrillo.. so here it is
Program used to for verbal communication between teammates in the game Battlefield 1942
"I can fucking type fast enough, let's use ventrillo."