G.A.C.A.P.
A way to be so loud and dumb you could make a volcano explode
I G. A. C. A. P. by eating a whole cake and jumping on the table.
My friend G. A. C. A. P. by wearing pajamas to school and doing the robot.
I G. A. C. A. P. in the hallway by yelling at the janitor about the trash.