(adjective) Guano (bat sh!t)+psychotic(crazy); bat sh!t crazy, expressed in a way that is less likely to upset or offend parents, instructors, etc. May even get points for creativity.
Did you see that lady yelling at the W@l-Mart cashier? She was guanopsychotic!
The state after eating massive amounts of food so you don't feel like moving, and you just lay there on the couch like a galopogus sea lion on the beach. Usually a fat, lazy person or after eating a lot on holidays or special events such as Thanksgiving or BBQ's.