Used in social situations, which a person tries to gain control by telling another person, information about another. Basically B tells A about C, or vice versa. The goal is to confuse the two, so that B will gain the upper hand in the social context, whether gaining approval or be seen as "cool"
Avoid them at all costs!
Also, to be used on who they think are "suckers" or to "gauge" or "test" for gullibility. Can anyone say Manipulator?!

Also known as the Double Adapter , this is the man in the middle of a gay threesome.

A bisexual man who helps to pass semen from his boyfriend into the vagina of a woman wanting to be insemenated by the strictly gay male.
He does this by giving his boyfriend a blowjob and spitting the contents of his mouth into the womans open vagina.

The guy in the middle of a threeway gay orgy. This guy can give and receive at the same time. The trains can have multiple middlemen the longer they get.

In the drug world's supply chain they act as intermediaries between retailers (dealers) and consumers. The term is unisex, being used for man or woman. Typical practices include buying at street price then reselling at an inflated price, cutting the product to stretch it out, just charge money, drugs, sex etc for procurement or they buy in bulk at a discount thats not even close to wholesale prices (often times they don't realize they're actually middle-men , are in denial or just plain stupid).

Don't even bother to inquire about their source as they will take that secret to the grave. They are even privy towards homies giving excuses like "the dealer isn't taking new customers", "they're not a dealer, they just sell me a lil of their stash" or "I get it strait from the source (but never has large quantities)".

Identifying a potential middleman is easy, common red flags include- over priced; are always out and have to go re-up; not easy to get a hold of, sometimes for days; asks for gas money, not meant to be repaid; drugs come packed in torn grocery bags, plastic wrappers, foil etc instead of mini poly bags; asks you to front the money before they re-up; cant sell large quantities at a discounted price; rides a bike and not because they want to

The middleman is the provider who buys from the producer of products to gain a product; not directly from the company that created it rather than just someone else selling the items they bought from the producers/company.

A Hacker On Omegle who is in the middle of two conversations, you may never hear or know he is there until he talks, hes always watching.

A charge added on to the price of an item that one must pay a person who is buying said item so that the middleman can profit from the deal. Usually enacted when a minor is paying someone of age to buy alcohol or tobacco for them.

To flip one the bird, usually from a fired worker to their superior as a last "fuck you". More emphasis on one's extreme hate can be expressed by using both hands.