An affectionately derogatory term, used to describe someone of slothful or slow demeanour. May also be used in the form of an adjective. Example: Geoff (referring to Dean): What's Numpy up to today? Greg (referring to Dean): I dunno. Last time I checked his cubicle, he was asleep. Or, Try not to be so numpy, will ya? You're driving crazy!
NUMPY
Meaning of NUMPY in English
Slang English vocab. Английский сленговый словарь. 2012