to speak not in a clear way, (sama as U+8B34) to play jokes on; to fool (somebody)
?【酉集上】【言部】 康熙筆畫:18畫,部外筆畫:11畫
《集韻》《類篇》古本切,音袞。語不明也。
又《集韻》《類篇》古困切,袞去聲。與、謴同。?字從袞作。