Lyric discussion by beefsoupplease 

maybe the trumpet is a metaphor like tooting your horn. "i got a trumpet" meaning, i got things to brag about. and "i know where to dump it" meaning i know when i should stop bragging. i guess that doesn't really fit with the song very well. i was hoping there would be more ideas about it here, because it's an interesting lyric. :)

The trumpet is a biblical reference kids... Trumpets (shofars) were used when someone Was arriving or leaving

beefsoupplease's explanation makes way more sense. Thanks though, Dfovero, for being really patronizing without offering any real explanation as to what actually makes that a biblical reference, or how the biblical reference ties into the rest of the song, kid.

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