1. When a guy has sex with a woman while using a dildo on another woman.

2. When a guy born with two dicks has sex with two women at the same time.

3. When a woman has a threesome with two guys.
1. "Dude last night I fucked Tonya while I was using a dildo on Maxine! A little double barreled action."

2. "Last night I found some real freaky women who were lookin' for some special double barreled action. Nailed both of 'em at the same time!"

3. "Last night I got Ray and Jessie to come over and got a little double barreled action"
by Tex-Mex Shawn C. September 21, 2010
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