shut down
verb
RareNot in standard dictionaries
1
To close, terminate, or end.
2
To turn off or stop.
3
To emotionally withdraw into oneself as a defense mechanism; to block out external stressors.
4
To suppress, block out, or reject (an idea or an aspect of one's personality or identity).
5
To pass (another vehicle), especially quickly.
Thesaurus
#slang