Roman candle
aid to navigation
alarm
amber light
appearance
aspect
balefire
beacon
beacon fire
beat the drum
bell
bell buoy
blinker
blue peter
buoy
caution light
complexion
contemplate
dekko
dip
examine
exchange colors
eye
eyeful
flag
flag down
flare
flash
fleer
fog bell
fog signal
fog whistle
foghorn
gaze
give a signal
give the eye
give the nod
give the once-over
glad eye
glance
go light
gong buoy
green light
hail
hail and speak
half-mast
hard look
heliograph
high sign
hoist a banner
contempt
expression
face
facial expression
look
scorn
leed
leered
leering
leers
banter
cackle
chuckle
condescension
exultation
glee
glint
grimace
grin
hag
half-smile
insinuations
jeer
mockery
nod
smirk
snarl
sneer
stare
travesty
twinkle
wink