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A sound often used by mouthbreathers and pencilnecks while under moderate amounts of pressure. Can be used by non-nerds to call out an awkward situation so as to make the situation not awkward.
"Hey Arnie, wanna make out?"
*eyes widen*
"Gluh, sure Stacey"

"Hey how are you man?"
"Good yourself?"
"Good you?"
by mcstankdaddy December 26, 2014
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The sound females, predominately in porn; make when getting their face fucked.
"Sarah tried voicing her opinion the other day so I smacked that bitch in her face and said "the only thing I want to hear outta your mouth is gluh gluh gluh" hehe I tell you what"
by The Ben you know and love July 17, 2016
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