grinds

1. (Ireland, colloquial) Tutoring; extra lessons in a specific subject outside of school hours.Examples: "You're not top of the class in English, he points out. She licks her teeth, unconcerned. Maybe you should give me grinds, Connell, she says."Irelandcolloquial

2. (Hawaii, slang) Food, eats.Hawaiislang

3. (coffee, proscribed) Used ground coffee, coffee grounds.Examples: "That was a song that Ida sometimes sang, puttering inefficiently about the kitchen, which always seemed sandy with coffee grinds and vaguely immoral with dead cigarettes on the burnt, blistered paint of the shelves."proscribed