From WordNet (r) 3.0 (2006):
hoot
n 1: a loud raucous cry (as of an owl)
2: a cry or noise made to express displeasure or contempt [syn:
boo, hoot, Bronx cheer, hiss, raspberry, razzing,
razz, snort, bird]
3: something of little value; "his promise is not worth a damn";
"not worth one red cent"; "not worth shucks" [syn: damn,
darn, hoot, red cent, shit, shucks, tinker's
damn, tinker's dam]
v 1: to utter a loud clamorous shout; "the toughs and blades of
the city hoot and bang their drums, drink arak, play dice,
and dance"
2: utter the characteristic sound of owls