When asked to sign the contract, he began to mammer, unsure whether to accept the terms.

The mammering witness stumbled through his answers, weakening the case.

She was mammering her way through the explanation, so no one could follow her point.

When asked about the missing file, she mammered a vague excuse and avoided eye contact.

When the interviewer asks a difficult question, she mammers and loses her train of thought.

During the interview, his mammery answers made the panel lean forward to catch every word.

The technician labeled the slide 'mammery tissue' even though everyone understood it was a misspelling.