| booby trap(noun, expression, mine, tripwire) |
| bounce(noun, upset, blow, shock, bump) |
| breakdown(noun, distress, confusion, collapse, disturbance) |
| brouhaha(noun, row, flap, scene, sensation) |
| buzz(noun, stir, commotion, fuss) |
| calamity(noun, upset, blow, shock, disaster) |
| calorimeter |
| cannonball |
| cantilever |
| casualty(noun, upset, blow, shock, disaster) |
| catastrophe(noun, upset, blow, shock, disaster) |
| chagrin(noun, upset, blow, shock, disaster) |
| charge(noun, device, mine, rocket, tripwire) |
| charley horse(expression, eye-opener, concussion) |
| clinker(eye-opener, concussion) |
| clinkers(eye-opener, concussion) |
| collapse(noun, distress, confusion, disturbance, bump) |
| comedown(noun, upset, blow, shock, disaster) |
| commotion(noun, excitement, stir, fuss, row) |
| confusion(noun, distress, collapse, disturbance, bump) |