Tets

Clipping of Tetley's, the brewery which formerly produced the beer, from Tetley +‎ -'s (possessive suffix).

Tets (plural Tets)

1. (UK, informal) A bottle or serving of Tetley's beer.
   • 1990 October 6, Osman, “Re: The North - South Divide”, in free.uk.pubs‎ (Usenet):

     A good pint of Tetleys pulled through the auto vac system, which meant pulling three or four pints to create a single pint, was second to none. Outside Yorkshire, and going south, this system was used infrequently and, consequently, a pint of Tets served elsewhere would be very ordinary.

• ETTs, Etts, TEST, Test, sett, stet, test