Anal lasagna is where you pour lasagna noodles and sauce and Ricata cheese in a persons booty then ram your dick so far into it that it pushes the lasagna into their intestines like they reverse ate it

when you're hungover as shit after a spending a night drunk as a skunk

Anal Lasagna is when you put uncooked lasagna in your ass, Then you have someone fuck your ass and the friction of getting your ass fucked will cook the lasagna in your ass, then you shit out the lasagna, then you eat it.