what is meaning of lulu
what is meaning of lulu

I found the meaning of the word in dictionary, it gives me completely different meaning

From macmillan dictionary
http://www.macmillandictionary.com/us/dictionary/american/lulu
someone or something that is very unusual or extreme, often in a silly or unpleasant way
a lulu of a storm
His last girlfriend was a real lulu.

But from another dictionary,
http://www.merriam-webster.com/dictionary/lulu
Definition of LULU
slang
one that is remarkable or wonderful
if you compare the meaning from both dictionaries, it gives me completely contracting meaning.

As i am not a native English speaker, I got confused which meaning I have to take. So any one help me ?

Question

what is meaning of lulu
what is meaning of lulu

I found the meaning of the word in dictionary, it gives me completely different meaning

From macmillan dictionary 
http://www.macmillandictionary.com/us/dictionary/american/lulu
someone or something that is very unusual or extreme, often in a silly or unpleasant way
a lulu of a storm
His last girlfriend was a real lulu.

But from another dictionary, 
http://www.merriam-webster.com/dictionary/lulu
Definition of LULU
slang
one that is remarkable or wonderful 
if you compare the meaning from both dictionaries, it gives me completely contracting meaning.

As  i am not a native English speaker, I got confused which meaning I have to take. So any one help me ?

Answer

In the UK it's an old fashioned slang word for someone or something that's remarkable

Answer

Hi

Yes. Lulu has various meanings as dumb guy.

For example:  he is a lulu (dumb guy).
2. I made him lulu (made fool)
3. Sometimes people use to scare this word for kids. (Someone cathces cockroach in his/her hand and scare the kids)

Answer

I think this is largely an American English expression and probably a bit old fashioned but perhaps some American contributors can shed some light on it. 
I would not expect to hear it used in British or Australian English and I think, as your dictionary definitions suggest, can be used in a variety of situations.