muzui

Difficult, short for "muzukashi"

ne

Informal interjection with many uses. It can mean "right?" or "isn't it" or "hey!"

nameru

to underestimate(lit. "to lick"); to kid sbd, namerareu mon ka? "Who you're kiddin'?"

nampa

Picking up woman. The art of using smooth talk to pick up girls met the first time in shopping areas, train stations, etc.

nampa-sha

Short for "Nampa Shashin". Photograph used as a trophy of a nampa conquest.

nandake

This expression is used when someone mentions something that you might have been told before but you forgot. Or, it is used to express " Um yeah, what about that (thing you're talking about)?"

nan de ya nen

What the hell

naka ga ii

have good relations; be on good terms; be close to

nani o miten da yo

What the hell are you looking at

ni urusai

picky about (something)

nuretta

really blew it

nuke no kara

vanished, gone without a trace (lit.: a shell with the contents removed.)

omae

omae is actually not rude if its just among friends

omokuso

extremely

oreore sagi

The "It's Me" fraud is where someone calls a random number and says "It's me". The caller pretends to be the person's child (works occasionally with the senile), and requests a bank transfer to cope with an emergency like a car accident or a gambling debt. "Ore" is the informal word for "I" or "me". Sort of the same concept as spam: send out a million emails and youi might catch one or two suckers.

oroone

please; if you would (abbreviated form)

oashisu

no pushing, no rushing, keep quiet, be quick (abbreviated from osanai, awatenai, shizuka ni, subayaku)

osu ka makoto ka

what do you know

roukai

understood; roger; over and out; acknowledged

rakki

Slang term that comes from the English word "lucky" and is used to express that something really "cool" just happened that makes you feel "lucky".