Cheap, usually weak lager. Predominantly sold in cans, but occasionally sold on tap in pubs and clubs.
Cooking Lager has a very dull flavor and is normally heavily carbonated.
See also; Tramp Juice , Rat's Piss
Many poor quality lagers were not included on this list as they are too expensive to be classed as cooking lager
Cheap and nasty second rate lager, often something that's brought to a party, but never drank, unless everything else has ran out, or if it's the only thing that the off licence has left.
It was quite a party last night - by about midnight we were all on the cooking lager.