Put food into the mouth and chew and swallow it.
Same sign for FOOD. Whether it's a noun or a verb depends on what position this sign is in a sentence.
There are some more synonyms for EAT below.
To put food into mouth using a spoon or a fork (e.g. eating cereal, soup, and such).
To put food into mouth such as eating some popcorn, nuts, or such.
Gloss: /\MY CHIPS/\ SOMEONE (2h)EAT++ CL:container+CL:level-down.
English equivalent: Someone has been eating my chips.
Topicalization: eyebrows raised for "MY CHIPS". Mouthing "TH" for the last part of the sentence. Though, the signer used this mouth morpheme but it may be subtle.
ASLwrite (2016): to eat.
To eat a lot; to eat plenty of.