Toast made using the "bagel" setting on a toaster, such that one side of the bread is toasted and the other side is not.
I like making my sandwiches with bageled toast, so the inside is soft but the outside is crunchy.
Military slang for gasoline, possibly from the discount gas chain, Murphy Oil, which is part of the Walmart chain of stores.
The HUMVEE won't run. It's out of murphy.