Green’s Dictionary of Slang

plugola n.

[plug v.3 (2) + -ola sfx]

(orig. US) an illicit payment or favour given for mentioning a commercial product in a non-commercial context.

[UK]Indep. 5 Sept. 🌐 But not to worry, they’re actually being upgraded on the flight, thus providing a rather nauseating plugola for Virgin Upper Class.