Top Definition
A safety precaution taken by men while involved in a devils threesome (2 guys, 1 girl) to prevent anal penetration. The man will tuck his nutsack between his butt cheeks protecting his cornhole from from intentional and inadvertent penis to brown eye contact.
Good thing i had the old butthole airbag on the other night that fag Justin went for my brown eye.
by gbv.3.0 February 10, 2012

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