A word used to described something stupid, boring, or just plain retarded. It can be used to call someone stupid.

A pick me is a woman that is willing to do anything for male approval. She will embarrass or throw other women under the bus to achieve this goal. The unfortunate thing about a pick me is usually the men they are trying to seek approval from are of poor quality and treat women badly, leaving little real benefit for the pick me.

A vegetable of very limited intelligence. Like George W. Bush, only smarter - a turnip knows enough to keep its mouth shut. Bush is continually flapping his. You will rarely catch a turnip saying things like:

"I just want you to know that, when we talk about war, we're really talking about peace."

or

"I hope you leave here and walk out and say, 'What did he say?'"

When one turpin is insulting another turnip, he will call him a bush. It's all horticulture really when you think about it...

alcohol.
see also "turniped," meaning drunk.

a person in a permanent or persistent vegetative state or coma

A person being extremely random.
Being random.
People are often being very turnip on the in-tar-web.
Changing subject to something different when talking.

(verb)
To get drunk (as in turn up) but not rage. To turn up in solitude, generally lamely.