EXAMPLES FROM THE WEB FOR BUCK UP
Buck up, old girl, it is never so bad that it might not be worse!
She is a nice lady and tries to buck up for her children's sake, she says.
Nobody but a fool out of college cares to buck up against them.
I say, I can't carry you now,' I said; 'for God's sake, buck up.'
Let them hate us, and say so; it'll teach us to buck up; and that's what really matters.'
He adjured Pixie repeatedly, and with unction, to “Buck up!”
We have to buck up, and grin and bear it, and make the best of a bad bargain.
You 'd think a man might buck up in response to that, wouldnt you?
You must buck up, little woman, and show them what you can do!
Just buck up and be a man, and you'll pull it off magnificently.