Always looking like you're pissed off and smelling something awful.
"Adrian's got a permanent stank face because he always looks pissed off."
1. What a monkey gets when he is sexually stimulated.
2. A primate's boner
"Dude did you see that monkey at the zoo? He had a chimpstiffy!"
1. Like the Bat Signal, but used to summon someone crazy.
"Hey look, there's Gary Busey. Someone must have turned on the Bat Shit Signal."
bat shit crazy bat shit insane