You don't know Jack!

One of the most used terms in the English language is the word Jack. It is used in many forms and ways and here are some of them!

Billy Jack
Cracker Jack
Farmer Jack
Jack Daniels
Jack Sprat
Jack Frost
Union Jack
Whisky Jack
Apple Jack
Black Jack
One-eyed Jacks
Jack off
hi-jack
lumber jack
Jackpot
Jack Rabbit
Jack Straw
Jack-in-the box
Jack-o-lantern
Jackass
flapjacks
jack knife
jack boots
skyjack
phone jack
jackhammer
Jack the Bear
Jack and Jill
Jack of all trades.

Well, there are some of them.