A more standard Arabic transcription might be: أغنيّت يا حبايب، هنو لي هنو Which roughly translates to: "I sang, O loved ones, 'Henu li henu'." But the phrase isn’t a common idiom — it could be a lyric, a playful or romantic made-up expression, or a reference to a specific song.
It looks like you've written a phrase in Arabic dialect (likely Egyptian or Levantine) but with some phonetic/chat spelling: aghnyt ya hbayb hnw ly hnw