ButtCussion: Severe fall landing directly on one's posterior axis, causing severe pain
to the point of nausea - as in a "
concussion of the butt." Falling and landing directly on the
gluteus maximus or worse, a direct blow to the coccyx, with pain so severe that it causes concussion-like symptoms.
He jumped up into the air over the frozen
swimming pool, cannonball-style with ass pointed down and knees up,
thinking the ice would break and he would
polar bear it but the ice did not break - Total Buttcussion!!