To go away, get lost.
go fly a kite
To go away; get lost; leave.
go shit yourself
take a long walk on a short pier
Used to tell someone to go away, or that their request will not be met…
walk away
To withdraw from a problematic situation.
be the bigger man
To walk away from a conflict to prevent it from escalating.
walk one's chalks
To depart; to go away without ceremony.