Found 6 phrases starting with PS:

psych out	To outsmart.	Rate it:
psych out	To unnerve.	Rate it:
psych up	to motivate	Rate it:
psyched up	In a state of heightened mental preparedness for a difficult or hazardous enterprise, or one where success is particularly sought.	Rate it:
psychic distemper in the masses	The state of affairs in Germany as described in 1933 by Albert Einstein.	Rate it:
psychological warfare	The use of various techniques to demoralize or intimidate someone.	Rate it:

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D broken glass