Rocky. = Up and down.
If you always loose your temper, you are in for a rocky life.
To be amped. = To be fired up.
When I listen to Mr.Trump, I'm amped.
A workout monkey. = Someone who works out continuously.
I am a workout monkey.
Gym rat. = Someone who goes to the gym everyday.
The guy who is writing this is a gym rat.
To suck it up. = To endure.
Somedays you win and somedays you lose. If you lose, suck it up.
Potty mouth. = To use bad or vulgar language.
Potty mouth is never acceptable in mixed company.
To knuckle down. = To try hard. To endure.
When life gets you down, knuckle down and pick yourself up.
To pour cold water on it. = To refuse or disapprove.
I wanted to buy a new car but my friends poured cold water on it because of the expense.
To jump ship. = To change jobs or positions.
Many people jumped ship on Donald J. Trump but now they regret it.
To stand on your own two feet. = To be responsible.
When I was 17, I had to leave home and stand on my two feet.