When combining two rolled joints inside of one paper rolled side by side or over and under depending on which model you choose.
I was going for a hike. So I rolled a double barrel to get me through.
by Yamahafast May 6, 2018
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For two men to fill both a woman's barrels, so to speak.
On special occasions, Melinda enjoyed being double-barrelled by Fred and Bill.
by Yarp October 27, 2006
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To take the urinal right next to one that is being used when there are other urinals available, usually done intentionally
"Man, I can't believe it! There were 6 urinals open and that old man still double barreled me!"

"He probably just wanted to get a better look at your watch."
by Bibaleebu March 22, 2010
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A double barrel occurs when 2 men are docking and one of the men ejaculates into the others dickhole. The man with the "loaded barrel" then promptly ejacutes into the closest fertile female In hopes of simutaneously impregnating her with both of the males seeds.
My homosexual friend who wants to be a father and he approached me with a double barrel offer.

The woman who recently gave birth to twins with two father's, must have seen some double barrel action.
by jerseyjennygirl May 10, 2015
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When a female inadvertently inserts a tamponwhile already having one in place.
Wow, I must have been drunk last night because I cant believe I woke up with a double barrel!
by emsav8r March 9, 2011
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