This is the 13732nd most frequent Spanish word.
rállale
"Rállale" is colloquial Mexican Spanish slang meaning "hurry up" or "get going."
Here, 'rállale' is an informal command directing someone to grate ('rallar') something, and 'le' refers to the plate as the indirect object.
Rállale un poco de queso al plato.
Grate a bit of cheese onto the plate.
In this case, 'rállale' instructs the person to grate ginger ('rallar jengibre'), with 'le' referring to the action's indirect object.
Si te duele la garganta, rállale jengibre en agua caliente.
If your throat hurts, grate some ginger into hot water.
Here, 'rállale' indicates grating vegetables ('rallar zanahoria y remolacha'), with 'le' representing the salad as the recipient of the grated items.