1803 G. Colman i. i. 8 Dang me, but he's a rum customer!
1864 C. Reade lii. 233/2 He was a rum customer; kep asking questions all dinner-time.
1977 12 Oct. 18 The Nobel Peace Prize has gone to some rum customers in its time.
1993 (Nexis) 22 May 36 He is a rum customer who inspires violently different emotions among his colleagues.