ah chek

ah chek /chek, tʃɛk˺/ n. [Hk. 叔 chek an uncle, a father’s brother ([Medhurst]); Mand. 舅 jìu mother’s brother, uncle ([Chi.–Eng. Dict.]] A middle-aged or elderly man.
1987 Toh Paik Choo [On the Buses] 69 It’s ‘Ah Ko’ when he doesn’t look old enough to be your father and ‘Ah Chek’ when he does. 2000 Cheong Suk-Wai The Sunday Times, 3 September, 3 Lurking ah cheks, ah peks and ah sohs. 2005 Tan Chek Wee Today, 9 December, 47 It could be the ah pek, ah soh, ah chek, or even the pakcik or makcik – this syndrome seat-patting [sic*: seat-patting syndrome?], transcending sex, educational level and age.