also yak, "to talk, to chatter," 1950, slang, probably short for yackety-yacking "talk" (1947), probably echoic (compare Australian slang yacker "talk, conversation," 1882). Related: Yacked; yacking.
"laugh," 1938, variant of yuck (2); "talk idly," 1950, variant of yack. Related: Yakked; yakking.
updated on April 17, 2014
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