Usually used to describe the act of intentionally gaining excessive weight in order to cultivate muscle mass later during weight training
In an office enviroment, it is used to describe an abnormally extreme amount of trash employees are generated daily, an unusual volume of food being consumed and discarded that is so extreme every delivery driver in town is showing up once or twice daily; the opposite of an office Weight Loss Challenge
Manager: This year H.R. is implementing Bulking Season rather than trying to push another Weight Loss Challenge on us. Feel free to bring your own personal full-size fridge, a box of trash bags, and a can of air freshener. Go Big Or Go Home, people!
Employee: No way we can beat those women in H.R. I heard they're so large that they can't see their own office chair without a mirror.
Fogey/fogy /fougi/ sl. (early 18C+, orig. Scot) old-fashioned, stuck-in-the mud.
Person with old fashioned ideas which he is unwilling to change: Come to the disco and stop being such an old fogey!
You think me an old fogeyand an old tory, his thoughtful voice said. I saw three generations since O’Connel’s time. I remember the famine. Do you know that the orange lodges agitated for repeal of the union twenty years before O’Connel did or before the prelates of your communion denounced him as a demagogue? You fenians forget some things. (James Joyce, Ulysses. PenguinBooks,1992. p. 38)