The act of making something of, or belonging, to Alex.
Josh: Yo, Alex just took my baseball glove.
Alex: It has been alexizized.
Kelly: Is that even a word?
Alex: Yup. Its the past tense of alexizize which is the verb form of the noun alexization.
Kelly: Oh, well is that a word?
Mike: It is now ::Turning from computer with urbandictionary.com open::
Alex: Oh snap! He just added it to urban dictionary.
Josh: What's a noun?
Alex/Kelly/Mike/random kid in hallway: Oh Joshie!!!
Josh: That's me!
Opening credits/song begin