What is Rule 90?
1.
Everything is better with zombies.
Rule 90 of shopping malls? You got it.
See
2.
Adding the prefix man to anything to make it more masculine makes it more feminine.
Ryan: When are we going to the party?
Jimmy: In a sec, just let me get my manbag abd manscara.
Ryan: Dude, Rule 90. You're gay.
See