A regional variant common to southern New England for the practical joke/sexual practice known elsewhere as the Dutch oven: i.e. when one partner holds another partner's head beneath a blanket and passes gas.
Sheets are OK for a gutter helmet, but for the real, face-full-of-flatulence effect, you need to go with a down comforter.
by OrangeTruck December 05, 2012

A two-ply condom used when going skanking or engaging in questionable activities with skanks or suspected skanks..
Bobby needs to use a gutter helmet before he lays the pipe to Britney, Paris, Nicole or any of those other skanks.
by Scott Frea September 19, 2006

Tony always sneak's around with Jennifer so nobody see's then, be he secretly hopes for a little gutter helmet.
by -cM July 16, 2007

