An expression used when you are so excited you can't even find the words to describe your feelings.

for use when a person can not process their feelings

1) An expression of frustration for IM; Used in desperation when no other words will do.

2) A conversation filler, also in IMing, when no one has said anything in a while.

*with any of these there can be added letters as well as semi colons. It is usually a personal preference.

A word used to express an extreme amount of any types of emotion

The biggest compliment you can give to someone on Tumblr.

The random letters you type when you have either 1.) A spazz attack or 2.) Don't know what to say or how to express what you're thinking. (Can also be used in all caps.)

When you are super duper happy about something and press random keys on your keyboard. :D