So Cute u(you) emit effeminate eek. This is not only an acronym it is the onomatopoeia or actual sound being made.
Woman talking to friend: o my gosh! I saw the cutest little kitty today at the pet store. He was so cute I almost Scueee'd.
Manly man: Nothing in the world will ever make me SQUEEE.
Man#2: aww look at this kitty picture hugging a bunny.
Manly man: SQUEEE!!