To eat gluttonously; to consume mass quantities like an animal.
From German and Yiddish "fressen", "to eat (referring to an animal)", as opposed to "essen," "to eat (referring to a human being)."
Sol and Sam were at the deli, fressing away on huge pastrami sandwiches.
To hate something and not know exactly why, or to hate something for no specific reason
"I fress that new song by the Ghetto Avenue Boys"