noun - Yacker is American-English slang for kayaker
, a traditional support person in a kayak paddling alongside an open water swimmer
giving reassurances, providing navigational IQ
tips, and carrying hydration. Yackers are celebrated and honored during Be Kind To Your Yacker Week
, first promoted by the Northeast Kingdom Open Water Swimming Association
Yacker was popularized by Phil White of the Northeast Kingdom Open Water Swimming Association circa 2010.