it's the sound of retching
that singular movement where your peristalsis reverses and you feel like you'll throw up; you might not, but you're grossed out enough that you could.
(
AgentMuu hentai coordination,
Wed 22 Oct 2008, 4:18,
archived)
no, but you can just put your finger as far back in your throat as it possibly can
you'll get the idea soon enough
(
AgentMuu hentai coordination,
Wed 22 Oct 2008, 4:39,
archived)