"bummer" in the noun sense
1. bummer
an experience that is irritating or frustrating or disappointing
"having to stand in line so long was a real bummer"
2. bummer
a bad reaction to a hallucinogenic drug
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License