1 definition by IBLS sufferer

IBLS, otherwise referred to as Instant Boner Loss Syndrome.
IBLS is the physical phenomenon which occurs whenever something completely disturbing or non sexual is brought up during intimate times.

For example:
"Dude, why'd you call me last night? I was in bed with Stacy! Total IBLS!"
by IBLS sufferer February 9, 2010
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