A person who whistles show tunes all the time, talks really fast, tells painfully horrible jokes, and does other stuff that makes you want to punch them in the face.
when someone puts A THOUSAND EXTRA LETTERS AFTER EACH WORD.
friend: Omygizzzzzzzzzzzzzz! i looooooooooooove that kidddddddddddddd soooooooooooooooooo muchhhhhhhhhhhhhh
me: im sorry i can understand what your saying because i fallasleep before i get to the last "z" of omygiz.