ratchet
device
air horn
blowout
clacker
clapper
horn
kazoo
party horn
squawker
squeaker
stadium horn
stadium trumpet
thunderer
vuvuzela
6-shot
actuating
air-launched
airhydraulic
antinous
come-hither
cur-dog
debar
diversionary
flout
fulminations
glasslike
lute-player
malapert
milady
oligonucleotide
spy-hole
stepdame
stodginess
tendance
whippersnapper
wormhole