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A Naval term. We use it in the Marines as well. The term bulkhead means wall.
Go stand against the bulkhead.
by Jason M March 24, 2006
to get head in bulk.

also, getting head several times in a row.
my testicles were exhausted after she gave me bulk head for 5 hours
by MikeKaelaS4L June 24, 2007
1. Some door thing that opens to a cellar.

2. A dumbass with an inflated noggin' to match their inflated ego and shit.
Fuck all dem bulkheads, they so stupid with their bulky heads.
by Douchey76 December 29, 2012