The acronym for "Short Term Marijuana Memory Loss." When someone, generally a "stoner" forgets what they're talking about in the middle of a conversation.
"We were watching this TV show and ... ah shit!, 'STMML,' I forgot the point I was trying to make."
A person you hate intensely not because they deserve such hatred but because they serve as a focus for your general hatred. A healthy way to dispense with excess animosity.
Jake's not really that big an asshole. He just serves as my hate sink.