empty threat; bluff; paper tiger
to threaten; to menace; to frighten (into doing)
water-filled bamboo tube which clacks against a stone when emptied (orig. used for keeping birds and wildlife away)
threat; bird-scaring device (scarecrow, gun, etc.)
to threaten; to menace; to intimidate; to startle; to frighten; to scare
scarecrow; bird rattle; clapper
to threaten by outward appearance; to use bluff to intimidate; to make empty threats