New word {regional} not in any dictionary-surrapa?

Question

The following text was from an article on environmental health. I was looking to see if my learning text book was correct since I found an error already pointed out by Heidita. The learning text book says: "las surrapas = table scraps or cookie/bread crumbs". In the following text I think it is used in a similar manner "surrapas de comida" I am sure this would only be used in Mexico if it is correct. Has anyone heard this before?

Insecticidas en roceadores: Las mujeres embarazadas deben de evitar rocear insecticidas. En vez de esto debe de investigar por donde entran las plaga a su casa y tapar todos los agujeros, reparar el tul metálico de las ventanas, mantener limpio, no proveer abrigo ni comida a los insectos, repare las goteras de las llaves de agua y elimine todos los desechos y surrapas de comida. Si las plagas son un gran problema, contacte a la Coalición de Salud Ambiental para alternativas menos tóxicas.

Gracias

Answer 1

For weird words one cannot find anywhere else, this place

surrapas

Answer 2

Next time someone from a country with "seseo" gives you a word with one or more "s" in it that you cannot look up in the dictionary, start trying combinations with "z":

zurrapa.

1. f. Brizna, pelillo o sedimento que se halla en los líquidos y que poco a poco se va sentando. U. m. en pl.

2. f. coloq. Cosa o persona vil y despreciable.

3. f. coloq. palomino (? mancha).

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