Top definition
When a guy is getting a blow job from a random women, pulls out, and blows his load all over her face while holding his dick and screaming Ratt-A-Tatt-Tatt!

Also known as the Rambo and the Frustrated Elmo
I don't think that girl will ever talk to me again after i Machine Gunned her.

That girl got really pissed when i showed her the Machine Gun
by Shitty McCunterman October 12, 2011
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