Similar to boom roasted, only much more insanely awesome and impressive. Can be only be used to describe a diss or burn that was given with such power and finesse that it reached a whole new level of raw awesomeness. If awesome and chuck norris had a baby, it would be boom toasted.
Rebecca: Shut up and do your work.
Scott: Do you like my scratch art?
Rebecca: I've seen better.
Scott: Boom toasted! Blythe™!
The act of being tan.
After spending all summer outside her skin was Boom Toasted.
The ginger kid was boom toasted after twenty minutes outside.
An expression interjected immediately after communicating something complimentary, slightly or very cheesy, nice, and/or possibly suck-up-ish to someone's face (most likely in a group setting) about that person. (Similar to a formal toast at a wedding or special event.)
boy: "Hey, Candace, there is this girl in one of my classes who could be your long lost twin!"
girl: "Haha that's cool. You should befriend her; she can be like my replacement while you're away at college."
boy: "No one could replace you, Candace. You're the coolest! Boom Toasted!"