A phrase commonly used in heavly moderated chat rooms to say "kill yourself". Stop breathing is thought of as a nicer way to tell people to leave someone to remove themseleves from existence, less likely resulting in a ban from moderators due to it's vague nature.
Girl 1: Did you hear, Karen is still going around school talking of how you sleep with any thing that has legs? She's posting it all over FB.

Girl 2: SMH, Karen needs to stop breathing asap.
by 2stepsAhead May 1, 2018
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Stop breathing my air is something you say to someone who is a complete waste of space. It is most commonly used when someone has said or done something unbelievably stupid.
Example:

"Yo, did you hear about that Hitler guy? Someone needs to stop him!"

(awkward silence)

"Stop breathing my air."
by fairytales November 30, 2007
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Very mean thing to say. It means you want a person dead.
Antonio: ‘haha i ate your mom’
Helen: ‘go commit breath stop
Antonio: *dies*
by Broodzakje October 29, 2019
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