used in brackets after a copied or quoted word that appears odd or erroneous to show that the word is quoted exactly as it stands in the original, as in a story must hold a child's interest and ‘enrich his [sic] life’ or a hero of antient [sic] Rome

set a dog on

the plan was to surprise the heck out of the grizzly by sicking the dog on him

bring something up by vomiting

he was passing blood and sicking it up

she sicked up all over the carpet