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The correct spelling is "look-see".

To take a look-see means to check something out or to look at something.

According to the Oxford English Dictionary, this term comes from Chinese "看見", each letter loosely translating to "look" and "see", and entered English via Chinese Pidgin English.
Other words and phrases with the same source include
"long time no see" (很久不見 very long-time not see)
and
"chop chop" meaning "hurry up!" (速速 hurry hurry).
Incorrect: "I'll take a looksie."
Correct: "I'll take a look-see."

looksie daisy

When you are looking for something, AND, are most CERTAIN where to locate it, BUT it is CERTAINLY not there to be found.
I'll get that, let's see here, oh, oh no. Looksie daisy!
looksie daisy by JJ. Styles November 24, 2022
The corner grocer will sell you an off-brand loosie for 25 cents.
loosie by talk2me-JCH2 July 14, 2022

lookie here 

US southern slang. Usually preceded or followed by "now."
It means "listen to what I have to say next, because it is something that you were unware of or had previously been ignoring, much to our chagrin."
or can simply mean "look at this."
Now, lookie here: we don't appreciate that kind of foul language here.

Lookie here now: The way you're cutting them switches is all wrong. Use a sweeping motion.

Lookie here! It's a dodo bird!
lookie here by darius sunofovich January 7, 2005
Individual cigarettes often sold at convenience stores owned and operated by men of arab discent
Hey, muhammed, man, how much yo loosies?
loosies by K.Raw May 24, 2004

lookie lou 

Somebody with no business being someplace who's there strictly out of curiosity. Like a non-involved (not a witness) person staring at a crime scene or a fire.
"Get that lookie lou out of here, Officer Boarder! We don't need every detail on the evening news!" shouted the sergeant when she saw the guy staring at the body.
lookie lou by bookwench February 8, 2009