Mr X Edit Meaning

1.

Mr. X is the male version of the letter "X" in the English alphabet. Mrs. or Ms. X is the female version. Since they have no genitalia it is hard to differentiate between the two.

abcdefghijklmnopqrstuvwxy and z - Mr X is right in there towards the end.

See mr, mister, x, alphabet, letters, male

2.

mister X is a person that you talk about with friends in code, usually a dealer of things that are code-worthy. See Mr. Nice Guy.

Are you going to mr x's? To get that stuff? Cool.

See dealer, cool guy, connect