You need to cop yourself on and stop acting like a child.
cop oneself on
idiomto cop on, stop behaving immaturely
If you want to keep your job, you really need to cop yourself on and start taking your responsibilities seriously.
After years of reckless behavior, he finally realized it was time to cop himself on and begin building a stable future for his family.
- 01
adorn oneself with borrowed plumes
To claim the honor of another for oneself.
- 02
apply oneself
Synonym of strive: to work hard, to complete an activity with good effort and focus.
- 03
be oneself
To behave or act naturally, without regard to how this behavior is perceived by others.
- 04
bear oneself
To behave and conduct oneself in a particular manner.
- 05
box oneself into a corner
To create a predicament or problem for oneself; to do something that leaves one with no good alternatives or solutions.
- 06
buy a dog and bark oneself
To do something that one has hired someone else to do.
- 07
carry oneself
To move, especially emphasizing the manner in which one moves.
- 08
come to oneself
To gain consciousness or self-control.