noun
plural bucks
[count] informal
dollar
money
a male animal (such as a male deer) - compare doe
informal :man
bang for the/your buck
look/feel like a million bucks
pass the buck
to avoid a responsibility by giving it to someone else
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.
verb
bucks; bucked; bucking
[no obj] of a horse :to jump violently into the air with the back bent upward
[+ obj] :to oppose or resist (something or someone)
buck for
[phrasal verb]
buck for (something) US informal :to try very hard or work very hard to get (something)
buck up
[phrasal verb] informal
to become happier or more confident
buck (someone) up or buck up (someone) :to cause (someone) to be happier or more confident :to cheer up (someone)