fist 
/ˈfɪst/ noun
plural fists /ˈfɪst/ noun [count] : the hand with its fingers bent down into the palm
▪ He pounded his fist on the table in anger. ▪ She pounded on the door with both fists. ▪ a clenched fist ▪ make a fist ▪ He defiantly shook his fist at the policeman.
▪ He pounded his fist on the table in anger. ▪ She pounded on the door with both fists. ▪ a clenched fist ▪ make a fist ▪ He defiantly shook his fist at the policeman.
hand over fist — see 1hand
make a good fist of
Brit, informal : to do (something) well
▪ Despite her inexperience, she made a remarkably good fist of chairing the meeting.
▪ Despite her inexperience, she made a remarkably good fist of chairing the meeting.
make a poor fist of
Brit, informal : to do (something) badly
▪ He made a poor fist of explaining his reasons.
▪ He made a poor fist of explaining his reasons.
rule with an iron fist — see 2rule
