This AskReddit thread took things a different direction in the usual, pickup line-riddled forum, to instead consider the most brutal, creative approaches to cutting things off with someone. The ensuing "breakup lines" are so cutthroat that you might catch yourself laughing, cause you don't know what else to do.
Text - BroccoliManChild 22h "You look like my future ex wife" It works both as a pickup line and a breakup line, depending on the stage of the relationship