Answer: pssts

AnswerCrossword Clue
PSSTS

Calls for attention?

PSSTS

Attention-getters

PSSTSAttention getters
PSSTS

Soft vocal signals

PSSTS
Attention-getters, maybe
PSSTS
Attention-getting sounds
PSSTSCalls for attention
PSSTSSibilant summonses
PSSTSSibilant attention-getters
PSSTSVerbal attention-grabbers
PSSTSSibilant signals.
PSSTSAttention-getting sounds.
PSSTSSibilant sounds.
PSSTSSibilant sounds
PSSTSSecret words?
PSSTSSounds from test cheaters, maybe