fly snapping
n.— «About three months into her pregnancy, Spencer began exhibiting unusual behavior, for him. He began sleeping in odd places and “fly snapping,” which is the term for a dog snapping at nothing but air.» —“Prozac helps dog through ruff times” by Dave Bakke State Journal-Register Online (Springfield, Illinois) July 18, 2007. (source: Double-Tongued Dictionary)
Further reading
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