A Dirty JB is whenever you enter a mans penis with your penis, this will usually occurs at lil nas x concerts and is also performed whenever a woman has a strap on.
Bill: Hey mulligan i just was at a wicked lil nas c concert and this big bulky black man came up to me and gave me a Dirty JB
by Dirty JB December 1, 2021
Get the Dirty JB mug.The opposite of a BJ. It is when a person from either sex gives a blowjob but blows the penis up like a balloon instead of sucking
by Jebhosbejdnfbdjfbj December 1, 2021
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