n. a scientist or technician, especially one engaged in military research. [ British slang ] [ WordNet 1.5 ]
n. 1. (Theater) a hearty laugh. [ PJC ]
2. (Theater) a joke or gag line that produces hearty laughter. [ PJC ]
3. (Theater) something very successful, especially a box-office hit. [ PJC ]
a. highly successful; superbly well done. [ slang ] [ PJC ]