Answer:
The given symptoms are most likely related to Tardive dyskinesia.
Explanation:
Tardive dyskinesia is a mental disorder which results in rapid, repetitive and involuntary body movements such as smacking lips, sticking out tongue, lateral movement of jaw, lip puckering and grimacing.
The long-term use of neuroleptic medications such as antipsychotics and metoclopramide, can cause Tardive dyskinesia.
