A pairing between two characters from the anime Axis Powers Hetalia of Japan and England. AsaKiku comes from the Japanese pronunciation of England's human name, Arthur Kirkland, which is pronounced with a Japanese accent as "Asa" (A-tha, silent r) and Kiku, Japan's human name (Kiku Honda).
Other "rival" pairings might include but are not limited to:
USUK, Giripan, FrUK, Ameripan, etc.
Person 1: I love AsaKiku <333 Person 2: Meh, I think that USUK is way cuter.
-cue shipping wars-
A person that is like a Nico except female. Doesn't smile much but is really chill. You usually find a asak sitting somewhere being chill texting lots of people because she's very popular.
person 1: Hey have you seen an asak around?
Person2: oh yea she's over there being real chill, texting, enjoying her popularness.
Asawer is the most beautiful girl you will ever come by. She will amaze you with her sense of humor and her ability to brighten your day with a click of a button. She is loved by everyone.
I have an Asawer in my life and I love her so much <3 you are the girl of my dreams Asawer.