A word of many meanings. Usually used to show agreement/excitement towards a suggestion made by a friend. Also can be said (quickly) when
something is said that you couldnt be less
interested in and you have to say something to at least show you were
listening.
"Dude..what if we crushed these brews THEN hit
the movies with 10 sexy ladies..." EYAHH!!!!
"
Did you know the sun is gonna be bigger than usual today because of the earths
abnormal rotation?" ........ "eyah" (said very quickly/softly)