when falling or hitting, hard and suddenly; also as n., a fall or dive.
|Crockett Almanacks (1955) 121: I went chewallop into the water.in Meine|
|F&H].Eng.-Deutsches Supplement-Lex. 215: It means ‘flat down,’ and is a strong expression. If a woman, for ex., falls head over heels and flat to the ground, they say, ‘she fell chewallop’ [|
|,||DAS 97/1: chewallop, chewalloper n. A fall or a dive that makes a big splash or flopping noise.|