In the excitement of battle all but the oldest and steadiest troops are liable to mishandle their weapons.
mishandle a situation, an affair, a business deal, etc
It seemed that he might, with his chapped scullion's hands, somehow mishandle the beautiful music, as a child might unwittingly trample butterfly.
Or did the Danish authorities simply mishandle a situation that spun out of control?
Please the careful clothes mishandle flowers you the lipstick!
If you mishandle it or your DS in any way, I am not responsible for any damage caused.
Sometimes, the airport will lose or mishandle your baggage.
To mishandle a ground ball.