Synonyms for Goat (same or very similar meaning)
WordNet sense 1 (a victim of ridicule or pranks):
laughingstock, stoogeWordNet sense 2 ((astrology) a person who is born while the sun is in Capricorn):
CapricornWordNet sense 3 (the tenth sign of the zodiac; the sun is in this sign from about December 22 to January 19):
Capricorn the GoatWordNet sense 4 (any of numerous agile ruminants related to sheep but having a beard and straight horns):
caprine animalFrom the ODE community, based on WordNetadd/edit