look up any word, like fleek:
 
1.
i love and miss you. :)

A combination of ily and imy. :P
it's just a silly acronym when you're too lazy to type the whole sentence or when you're too shy to do so.
Laurie: how are you? aww. u know i missin you..
Deanne: Aww, i gtg. ilmy bestie!! :)
by bittersweetsunshine February 09, 2008