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Batshit Insane.

Crazy, in fact probably totally insane.

Acting in the manner of Tom Cruise jumping on Oprah's sofa or Joaquin Phoenix on the Letterman show.

Hearing voices and imagining things that haven't happened or people saying things that they haven't.

Possibly caused by some recent trauma, however more than likely always present just brought to the surface in times of high emotion.
Person 1: "What's up with that girl talking to herself?"
Person 2: "She's been totally Guano Loco since her boyfriend moved to Greece and dumped her ass"
by Bush Girl September 04, 2009
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Using Spanglish to be politically correct when there is crazy ass shit going on all around you that blows your fucking mind.
Drinking a stranger’s tequila and then sharing their toilet to puke in with your underage Latino brother, while your 5 children throw gumballs in their fish tank is guanoloco.

Crashing a BBQ at your ex-boyfriend’s brother’s house then telling your 4-year old to piss in the bushes and pretend he is camping is guanoloco.
by astipup May 05, 2018
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