Referring to the required distance from one's spouse to engage in guilt-free extra-maraital sex and/or to not be considered infidelity.
It is not reccommended to verify spouse's endorsement of such rule but rather follow it discreetly and only reference it as a matter of last resort.
Susie Employee: "Mr. Anderson, I didn't come to this conference to have sex with you, anyway we're both married!
Mr. Anderson: "But Susie, thats the only reason I brought you here and anyway it's okay, it's not cheating because we are well beyond the Fifty-mile rule!"
said of a person's knowledge, intelligence or, in some cases, opinion. put another way, you're saying the person knows a lot about everything, but nothing about a given topic.
"That Sarah Palin sure knows foreign policy!"
"She's all talking points. Her knowledge is a mile wide and an inch deep."
9 Mile is a road that is one mile north of and runs parallel to the infamous "8 Mile Road" east to west throughout Metro Detroit, and yes, in some places just one little mile north of Detroit, which borders 8 Mile. Where it runs through the Detroit suburb of Farmington and Farmington Hills, it is especially ghetto, being home to many working class families and retirement homes. We rep it hard.
Shit me and J were posted up at the 7-11 at 9 Mile and Farmington slangin rocks n shit the parkin' lot then the PoPo came and made us get dip or else they were gona take us down for loitering dawg!