Dead On Edit Meaning

1.

A term meaning something is extremely accurate, right on target. Hitting the mark. Correct, absolute.

You nailed that description dead on.

2.

N.Irish term for all right, satisfactory, of sufficient quality.

or

Someone who is alright, doesnt annoy you at all and generally tries not to piss other people off.

"How was the meal?" "Dead on?"

"What's jonny like" "Aw he's a dead on fella"

See Chris

3.

a dead person's hard on

an open casket was a bad idea. jerry has a dead on.

See hard on, boner, dead, casket, hardon

4.

Sarcastic term for someone who talks bullshit and and is not liked by anyone

Jonny is so "dead on" and thats why he has "so many" friends