1buck 
/ˈbʌk/ noun
plural bucks /ˈbʌk/ noun [count] 1 informal a : dollar
▪ I owe you a buck. ▪ Those toys are five bucks apiece.
b : money
▪ That car costs big bucks. [=a lot of money] ▪ I am just working hard, trying to make a buck. [=to make money] ▪ a fast/quick buck [=money earned or gotten quickly] 2 : a male animal (such as a male deer) — compare doe
▪ He's an outdoorsman who enjoys buck hunting. 3 informal : man
▪ a veteran tennis star competing against an ambitious young buck
▪ I owe you a buck. ▪ Those toys are five bucks apiece.
b : money
▪ That car costs big bucks. [=a lot of money] ▪ I am just working hard, trying to make a buck. [=to make money] ▪ a fast/quick buck [=money earned or gotten quickly]
▪ He's an outdoorsman who enjoys buck hunting.
▪ a veteran tennis star competing against an ambitious young buck
bang for the/your buck — see 2bang
look/feel like a million bucks — see million
pass the buck
: to avoid a responsibility by giving it to someone else
▪ Stop trying to pass the buck and take responsibility for what you've done. ▪ The federal government passed the buck to the state governments.
▪ Stop trying to pass the buck and take responsibility for what you've done. ▪ The federal government passed the buck to the state governments.
the buck stops here
◊Expressions like the buck stops here are used to say that you accept a responsibility and will not try to give it to someone else.
▪ I'm willing to accept the blame for what happened. The buck stops with me.
▪ I'm willing to accept the blame for what happened. The buck stops with me.
