Pissing in the wind

You are peeing against the wind (peeing on yourself) Not thinking (being unintelligent).

You are going to be disappointed with the results, bound to be disappointed by the end result (setting yourself up for disappointment) raising your expectations to high.

•Not thinking about the results of your actions.
•Expecting more than someone is willing to offer.
•Not thinking about what your saying, before you say it (being “dumb”).
•Making things more complicated than they need to be.

-Other ways it might be said
•Pissing into the wind
•Pissing against the wind
•Pissing towards the wind

•Your pissing in the wind if you think you could beat me in a game of chess.

•If you expect me to show up early for work your pissing in the wind.

•if you think I’m going to get an A+ on my math test you are pissing into the wind.

•You are pissing against the wind if you think your IQ is higher than mine.

•If you expect me to give you a raise you are pissing in the wind.