Guam Bomb
The shittiest car you can ever own that will make obnoxious noise when you start the engine.
Guy #1: That's one ugly guam bomb
Guy #2: I know!
Guy #2: I know!
Guam bomb
a old, small, cheap Guam car bought for use while stationed on Guam. Has no wheelcovers or hubcaps.
The military only ships one car, so we got a Guam bomb for a second set of wheels while we're here.