A blowjob performed by two people, alternatingly or simultaneously.
And then her friend walks in, right in the middle, and I ended up getting double dome! Man, it was ill!
by J-Bone Killah April 25, 2006
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to play it safe

as in wearing two condoms to reduce the chances of an unwanted pregnancy

to note: wearing two condoms is not an effective way to reduce the chances of an unwanted pregnancy, but it's still funny
"Safe travels and tenga cuidado Steve! DOUBLE DOME"
by heyitsmerookie March 18, 2010
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When you are fucking a pregnant woman very close to giving birth so deep that the baby is giving you head.

It's extra good if its your own kid inside.
Dude yesterday i got double dome from this bitch, and since she my baby mama i was gettin head from my own kid.
by juby1004 December 3, 2010
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