'Eat, Drink and Do Jack'

Read from left to right

Ok I got the idea for this one from a billboard I saw. It doesn't completely look like the one in the 2nd panel but I couldn't draw it exactly. The billboard I saw said "Bennigan's Bar & Grill" on one side and "Eat Drink and Do Jack" on the other and I knew I had to draw a comic for it. Jack sees the billboard and doesn't quite get it...but really neither do I. I don't understand the *TRUE* meaning of it but I love it anyways

EDIT:// I now know the real meaning of the saying "Do Jack" Thanx for the info peoplez

I do not own Jack or Bennigan's...or the billboard either....

Stupid scanner made the bottom left corner look like it's in the shade >.<;