Nouns

(n)snicker, snort, sniggera disrespectful laugh
(n)boo, hoot, Bronx cheer, hiss, raspberry, razzing, razz, snort, birda cry or noise made to express displeasure or contempt

Verbs

(v)snortindicate contempt by breathing noisily and forcefully through the nose“she snorted her disapproval of the proposed bridegroom”
(v)snortmake a snorting sound by exhaling hard“The critic snorted contemptuously”
(v)huff, snortinhale recreational drugs“The addict was snorting cocaine almost every day”, “the kids were huffing glue”
(v)take a hit, snortinhale through the nose