Harry Truman, who was US president just after the Second World War, is reported to have had the expression ‘the buck stops here' as a sign on his desk, suggesting that he would not try to ‘pass the buck'.
buck
verb [I] /bʌk/
present tense
I/you/we/they
buck
he/she/it
bucks
present participle
bucking
past tense
bucked
past participle
bucked
if an animal such as a horse bucks, it kicks its back legs in the air or jumps off the ground in an uncontrolled way (马等)踢后腿跳起,弓背跃起