From Wiktionary, the free dictionary
From plug + -ery.
pluggery (uncountable)
- Electrical plugs collectively.
1998 August 10, John Woodgate, “Uk and European Power”, in sci.engr.electrical.compliance[1] (Usenet):Any good mains lead supplier should be able to explain the intricacies of European pluggery.
- Informal promotion or advertising.
1994 March 27, PStuart, “Magickal Fiction Online”, in alt.magick[2] (Usenet):Thanks for patiently scrolling through this shameless self-pluggery.