good explanation copied from somewhere I guess

来源: BuellXB12 于 2010-03-13 07:47:20 [] [旧帖] [给我悄悄话] 阅读数 : (80 bytes)
回答: What's a bummer? 由 BakedCheetos 于 2010-03-12 13:36:56

Obviously you never heard about calling BMW a "bummer" for sarcasm. Bummer!

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