anaphylactic shock: a severe and rapid and sometimes fatal hypersensitivity reaction to a substance (especially a vaccine or penicillin or shellfish or insect venom) to which the organism has become sensitized by previous exposure
anaphylaxis: hypersensitivity reaction to the ingestion or injection of a substance (a protein or drug) resulting from prior contact with a substance
slops: cheap clothing (as formerly issued to sailors in Britain)