1. The biggest dickhead you know is likely to be a Class A DICKHEAD as they top the list of biggest dickheads of all time. Everyone thinks they are a dickhead.
2. Term used to describe people who are addicted to Class A illicit drugs such as Heroin or Crack.
3. A politician who talks bullshit (possibly all politicians)
A Chav who steals your bike is likely to be a Class A Dickhead.
A meth addict could be described as a Class A dickhead
An absolute dickhead who has performed an unbelievable act of dickheadism, therefore deserves to be called a "dickhead and a half" which is much more offensive than just saying "you're a dickhead"
Hey Bob! I raped your girlfriend last night bro!
Wtf you dickhead and a half. Im gonna bash ya you bloody spastic
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.
A lighthearted reaction upon receiving disappointing news of some sort. Usually something that isn't a particularly a big deal, esp. when it primarily affects someone else - sort of a mild schadenfreude. Sometimes doubled or tripled, and possibly said in a sing-songy voice for added comedic effect to imitate a muted trumpet, which is how the meme originated.