a more colorful name for a friend that is having a lapse in judgment or is just failing at life

1) A retarded aardvark
2) Any stupid person with a pointy or outsize nose

1) A person who can't tell the different between necrophilia and narcolepsia.

2) Someone who has just done something stupid or is a moronic person in general.
3) An Ardvart with a T.

A word that would be best describes as a name calling and maybe used as a curse word.