with your tail up

with (one's) tail up

Having an optimistic, confident, or happy outlook, mindset, or attitude. We know we have a huge challenge ahead of us, but we'll be going out onto the field with our tails up, and we'll do everything in our power to get a win.
See also: tail, up
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

with your tail up

If you do something with your tail up, you are happy and confident when you do it. We'll go to court with our tails up. Note: People sometimes vary this expression, for example by saying that someone has their tail up or that something puts their tail up. They have their tails up being ahead of us in the league. There was no doubt that Mary Rand's outstanding performance on the first day put everybody's tails up. Note: Dogs often raise their tails and wag them when they are happy or excited.
See also: tail, up
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012

with your tail up

in a confident or cheerful mood. informal
See also: tail, up
Farlex Partner Idioms Dictionary © Farlex 2017
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