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.
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