Synonyms to whistle at

boo, Bronx cheer, Mary Jane, bird, booing, cannabis, catcall, give the bird, give the raspberry, grass, hiss, hissing, hoot, pooh, pooh-pooh, pot, raspberry, razz, tea, the bird, weed, Bronx, Klaxon, boiler factory, boiler room, bull-roarer, cherry bomb, clack, clacker, clapper, cracker, cricket, firecracker, horn, noisemaker, rattle, rattlebox, siren, snapper, steam whistle, ticktack, whistle, whizgig, whizzer, aphonia, artificial voice, assibilate, assibilation, bark, bawl, bellow, blare, blat, blubber, boil, boil over, boom, bray, breathe, broken speech, broken tones, broken voice, bubble, bubble over, bubble up, burble, buzz, cackle, chant, childish treble, chirp, choked voice, coo, cracked voice, croak, crow, decry, deride, disparage, drawl, dysarthria, dyslalia, dyslogia, dysphasia, dysphonia, dysphrasia, effervesce, effervescence, effervescing, exclaim, falsetto, ferment, fizz, fizzle, fizzling, flute, frication, frictional ru