Grammar fix
scoff
eat quickly and greedily
eat something fast and greedily, often more than your share
expressionB2common
Hear it in context
Notice where the phrase sounds natural.
Who scoffed all the crisps? I only opened them ten minutes ago.
Don't scoff your dinner — you'll give yourself indigestion.
Fix the pattern
One small grammar move makes it sound right.
Mixing it up with 'scoff at' (to mock), which is unrelated.