something that isn't useful. while not necessarily harmful, it offers no help and no information. originated in "Thumbtanic," when a diagram of a monkey was presented as an evacuation route, ("there's a way out, but it's not pretty!")
Source: "This isn't useful! This is a monkey!"
Example: Girl-"What are you doing tonight?"
Boy (vaguely)- "I'm going to do some things."
Girl- "That's a monkey!"
Example: Math teacher- "This set of parentheses is a monkey. They don't tell us anything we didn't already know."