2. someone who conducts themselves in a strange manner, in the manner of a crazy person, a hobo, or a diluted senial old man.
3. someone who does or says something that doesn't make sense or is contrary to something previously done/said.
2. My friend was running through the street yesterday wearing pink spandex and screaming "poseidon is coming with his trident of fury," she must have seemed like such a crackhead.
2. Your dad told me he loved fishing but would never go fishing before sunrise or if it was light out, he's such a crackhead.
That crackhead will sell his own mother for a five dollar rock.
Naw I ain't givin' you no money!
Everybody got a crackhead somewhere in their family.
(the next day) Hi kids I am so...so...sorry...I did not mean to leave you here in this house for 5 days without food or water! It won't happen again.....
(child)yeah right! Mom we all know you are a crackhead! Please get help... you are destroying our family!