Starmerring (verb): an ineffectual and impotent repetition of phrases, ostensibly meant to be in opposition to other politicians but never achieving anything.
Once again, Keir's starmerring did little to impress anyone.
As he starmerred in response to the Prime Minister, observers hung their heads in despair.
To speak or utter with sudden involuntary pauses and repetitions of initial letters. this mainly occurs with people who generally talk fast and they are known to be short tempered. Most times, stammering develops from childhood.