Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun bummer

2 senses of bummer

Sense 1
bummer -- (an experience that is irritating or frustrating or disappointing; "having to stand in line so long was a real bummer")
       => irritation, annoyance, vexation, botheration -- (the psychological state of being irritated or annoyed)

Sense 2
bummer -- (a bad reaction to a hallucinogenic drug)
       => effect -- (a symptom caused by an illness or a drug; "the effects of sleep loss"; "the effect of the anesthetic")