(British English, taboo, slang) bad; of very bad quality a crap band The concert was crap. Word Origin Middle English: related to Dutch krappe, from krappen
‘pluck or cut off’, and perhaps also to Old French crappe ‘siftings’, Anglo-Latin crappa ‘chaff’. The original sense was ‘chaff’, later ‘residue from rendering fat’, also ‘dregs of beer’. Current senses date from the late 19th cent.