kill·joy ˈkilˌjoi/ noun a person who deliberately spoils the enjoyment of others through resentful or overly sober behavior. synonyms: spoilsport, wet blanket, damper, party pooper; prophet of doom "uh-oh, here comes that killjoy Walter" In what is probably one of the most outlandish, most inspired, most wickedly funny haunted houses created, the ONE Archives at the USC Libraries [...]