Playing around; frolicking; originally, running about the rigging of a vessel for fun.(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "skylarking" in a sentence
"Two of the men were what you call skylarking, and running one way while the child was running the other."
"The song of the skylark sounds pooty, but "skylarking" song's better fun,"
"Transylvania, that "skylarking" in the centre of a main-travelled road where, at the best of times, electricity literally drips off one's stanchions and screw blades, is unnecessary."