DOR is a military term that means Date of Rank. The Date of Rank is defined as the day that promotion is effective. That date is usually prior to the date of promotion sometimes by days, weeks, and years depending on the requirements of the promotion authority. The date of rank is used to establish precedence for promotion to the next higher rank and to establish seniority among individuals of the same rank.

Awesome, cool, Unique, dork, also is short for Dorthy

A door for cats and dogs and possibly little toddlers.
Kind of like the doors from Alice in Wonderland.

A gang with initiations consisting of doing illegal acts, or baking brownies. The gang each have nicknames such as, Cookie, Carmen, Lola, Kandy, ect. D.O.R's stand for, Dikes On Ritalin.