1 definition by icarus effect

A person who uses all capital letters during any interaction on social networking sites (such as Facebook and Craigslist). This is often accompanied by poor grammar and unnecessary punctuation*.

Howler Monkey may or may not be intending to express displeasure, screaming, or incoherent rage during communication.

*Not to be confused with someone who alternates between capital and lower case letters evenly throughout the sentence (eXaMpLe), who is just an asshole.
by icarus effect November 4, 2010
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