1 definition by Herkimmer Wiggleswish

someone who appears to be a slightly-too-close friend of someone else of the same sex, for unknown reasons. suspicion, jealousy and just plain trouble-making leads to this sycophant to be referred to by the derogatory phrase 'bum chum', suggesting that the relationship might be of a homosexual nature
Look at Andy over there, hanging round Pete like he was his bum chum
by Herkimmer Wiggleswish March 10, 2016
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