Green’s Dictionary of Slang

mek-mek n.

[SE make (a fuss) + redup.]
(W.I.)

1. a quarrel, quarrelling.

[WI]cited in Cassidy & LePage Dict. Jam. Eng. (1980).

2. a pernickety person, a fault-finder.

[WI]cited in Cassidy & LePage Dict. Jam. Eng. (1980).