VERB: To anonymously send song lyrics to another person's fixed line telephone via the BT text-to-landline service, typically to a colleague. Lyriphoning causes reactions ranging from consternation to hilarity, depending on the particular lyric chosen and potential embarrassment-factor of the phone in question (based on a range of variables: likelihood of someone other than intended recipient picking up, audibility of phone call to others, timeliness of call).

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