What is the meaning of Slops?

Loose trousers.

Sailors’ breeches ending just below the knees or above the ankles, worn mainly in XVIII century.

Clothing and bedding issued to sailors.

plural of slop (rubber thong sandals)

plural of slop (scraps fed to animals; household wastewater)

third-person singular simple present indicative of slop

Source: wiktionary.org