1. (US campus) a diligent or over-dedicated student, one who studies hard [dig v.1 (1), i.e. they dig for knowledge. The term also flourished briefly in UK schools in the late 19C].
|[Harvard] Collegian 231: I could see [...] the many honest digs who had in this room consumed the midnight oil.|
|Collegian’s Guide 231: I could see, in the long vista of the past, the many honest digs who had in this room consumed the midnight oil.|
|College Words (rev. edn) 159: dig. A diligent student; one who learns his lessons by hard and long-continued exertion.|
|Yale Literary Mag. xxviii 199: A ‘dig’ may be at times a genius, but a genius can never be a ‘dig.’.|
|Four Years at Yale 44: Dig, a close, mechanical student.|
|Yale Yarns Preface: If you describe the life of the ‘rowdy element,’ you may offend the ‘digs’.|
|Forty Modern Fables 254: He cooped himself up in his Room and became a Dig and soon enough was greatly despised as a Pet of the Professors.|
|DN IV:iii 199: dig, an over-diligent student.‘Terms Of Disparagement’ in|
2. (US tramp) a hiding place for stolen goods [? one digs a hole for the cache].
|‘Jargon of the Und.’ in DN V 444: Dig, A dump where stolen goods are hidden.|
|Amer. Tramp and Und. Sl. 61: Dig. – A hiding place for stolen goods, probably from the fact that the old yeggs not infrequently laid their spoils away under the ground.|
3. (US Und.) a pickpocket.
|DAUL 58/1: Dig, n. An unskilled pickpocket.et al.|
4. (drugs) an injection of a narcotic [the needle ‘digs into’ the vein].
|Trainspotting 16: One wee dig tae unravel those twisted limbs and send us oaf tae sleep.|