Pronunciation: (blOO'pur),[key] —n. 1. Informal.an embarrassing mistake, as one spoken over the radio or TV.
2. Radio.a receiving set that generates from its antenna radio-frequency signals that interfere with other nearby receivers.
3. Also,bloop.Baseball. a. Also calledlooper. a fly ball that carries just beyond the infield.
b. a pitched ball with backspin, describing a high arc in flight.