A hamburger served on bread instead of a bun. Typically, eaten by college students or old people.
grandpa: Woman, what's for dinner?
grandma: Hamburger patties
grandpa: Whatchu say?
grandma: We don't have any buns
grandpa: You betta get in the kitchen and make me a sandburger
a burger that is filled with bread and any extras you may want like seaweed ot scampi stuff like that it is also a slang word for drugs so yh watch out
well if ya sat on the beach with a burger it will prob b a sandburger