buck up

bang for the buck

Efficiency; cost-effectiveness; value.

break the buck

To fall below the value of one dollar per share.

buck fever

Excitement and nervousness felt by a new hunter upon seeing game.

buck for

To strive for persistently; to try hard to obtain (a promotion, raise, etc.).

buck off

Of a horse or other animal, to rear up on its hind legs in order to throw off or dislodge its rider.

buck the trend

To go against the norm or the current stand of the main population; have a differing opinion from the majority.

buck up one's ideas

to pull one's socks up

pass the buck

To transfer responsibility or blame from oneself onto another; to absolve oneself of concern for a given matter by claiming to lack authority or jurisdiction.