Definitions by TrolliusBastardus

IBL 

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

"Dude, why'd you call me last night? I was in bed with Stacy! Total IBL!"

IBL by TrolliusBastardus January 11, 2021