Country Dictionary

to have an object readily available or easily obtained

derived from having "tap" water always available

Example 1:
Why do you buy bottled water? You got that on tap at the crib.

Example 2:
That guy is such a player. He's got bitches on tap 24/7.

Tapped is a word to describe someone who is dosey and messed up at the same time.

You were just taking a walk and a brick fell onto your head, you get no surgery after and stay the way you are.
Tapped is how you would be after, dosey, tapped, messed up

to stick one's penis into; fuck

While checking out a girl: "Oo, I'd tap that."

Having sex with a woman.

1. If I could just tap that ass once...
2. I tapped that ass and it was great.

A person who is a complete airhead

Yooooo! That Gormeesha is tapped

When a woman is so unsatisfied with a man's sexual performance, she taps him on the shoulder, indicating that she's tired and just wants to go to bed.

Popularized by Seinfeld.

I can't believe it! I really thought I was zone, but then she gave me the tap.

a person who is crazy or insane

I wouldn't fuck with that kid he's tapped