Gun.
My Chemical Romance Lyrics

We could get somebody else, But we want someone like you.
The song implies that the singer is part of a group that is looking for someone specific, and that they have found that person in the listener.

Well, as soon as I get my gun I'll point it out the window at the setting sun
The singer is looking forward to getting a gun so they can act out violent fantasies, such as pointing it at the sun and shooting it.

As soon as I get my gun I'll tell you all about it when you fall in love
The singer is suggesting that they will only reveal their violent tendencies once the listener has become emotionally invested in them.

As soon as I get my gun I'm gonna make a call
The artist plans to make a call to someone once they have acquired their gun, but the purpose of the call is not specified.

Well the uniform isn't sewn They make 'em like we give 'em out to anyone
The artist suggests that the military is willing to accept anyone, regardless of their qualifications or suitability for military service.

As soon as we get your gun A heckle for a pistol is a lot of fun
The group that the singer belongs to is excited about obtaining guns, and they see it as a form of entertainment.

It's just the kind of place we run Because the government Because the government wants your gun
The song suggests that the group is running a place that attracts people who have a fascination with guns, and that the government is complicit in this by allowing the group to exist.

Well, if I'm old enough to die for your mistakes Then let's go Can I bleed enough to fill up what the engine takes? I don't know
The artist is expressing frustration with being sent to war and questioning whether they will be able to survive the experience.

And if you're watching up above They're teaching me to kill Who's teaching me to love? Now baby Isn't it crazy?
The song draws a contrast between the military's training for killing and the absence of training for love and emotional intimacy.

They'll put me on vacation underneath the sun As soon as I get my gun I'll holler and flash it at my belting blood Out on the sand Like a hole from an I-E-D 'Cause I'm holding up my gun Holding up my gun, yeah
The artist suggests that getting a gun will result in them being sent on a 'vacation' to a war zone, where they will be expected to use their gun to kill people.

I'm never gonna have a son (Don't even have a gun!) She's never gonna have a son (Don't even have a gun!) I'm never gonna have a S-O-N And now I'm never gonna have a S-O-N
The song suggests that the singer has resigned themselves to never having children, either because of their involvement in the military or their fascination with guns.

Well, as soon as I As soon as I get my gun.
The song concludes with the artist reaffirming their desire to acquire a gun.