aye-witness

A testifier in court who claims dat he heard someone affirm/consent regarding a matter under contention by da two parties.

Da term "aye-witness" and also refer to a bu**s**t-spouting "yes-man" on da stand --- i.e., a shameless/clueless testimony-giver who just always agrees regarding anything he's asked about by either side of a legal proceeding, regardless of whether he actually thinks/knows dat his always confirming questions is truly accurate or not.