1 definition by banjostrings

When your a lightweight and you drink so much that u end up throwing up everywhere...this can occur when vodka or sambuca or Whiskey touches the lips.....early signs of this occuring is extremley loud irritating speaking
Smitherz : Awwh Dude!...Did u see that guy?

Alex : No, what he do?

Smitherz : He just totally projectile Jacksoned all over the pavement and the chick he was hitting on
by banjostrings October 18, 2009
Get the Projectile Jackson mug.