Wallah (In Arabic: والله)
An Arabic word means "I swear to god", it's also used to ask somebody to swear to god.

To like a male character or individual for being a cool, powerful badass.

Derived from a typo ('gar' instead of 'gay') on 4chan's /a/nime image board when referring to Archer from the H-game and anime series "Fate Stay Night".

1. A person who has a boring rat race job, and compensates by being irresponsible during the weekend.

A Korean lexicon (also spelled, kyopo) used to define a native Korean who permanently resides in another country or land other than one of the two Koreas. However, if a gyopo returns to Korea, this one will lose his/her gyopo "status."
There are several variations to the lexicon gyopo. For example, by adding the prefix "jemi" indicates that this gyopo resides in the United States. By adding the prefix "jeil" indicates that this gyopo resides in Japan.
Korean-Americans (Koreans born in the U.S.) or any other Korean born in another country or land other than one of the two Koreas, are commonly termed as gyopos. This is incorrect, as gyopos are native Koreans who have left their homeland.

Someone who thinks they are smarter than everyone else. Similar to know-it-all.

Travel by train in America on slow clunky regular routes instead of flying.

Any outfit you put a special amount of attention into constructing, potentially for an event or special occasion, usually with some sort of theme or reference you're attempting to invoke.