is mac short for macaroni or mac and cheese
Macaroni and cheese Macaroni and cheese—also called mac and cheese in American, Canadian, and macaroni pie in Caribbean English;[1] and macaroni cheese in the United Kingdom[2]—is a dish of English origin, consisting of cooked macaroni pasta and a cheese sauce, most commonly cheddar. It can also incorporate other ingredients, such as breadcrumbs, meat and vegetables.[3][4]
MDMA "Molly", short for 'molecule', was recognized as a slang term for crystalline or powder MDMA in the 2000s.[158][159]
M M (named em /ɛm/)[1] is the thirteenth letter of the modern English alphabet and the ISO basic Latin alphabet.
My Ántonia