Any function that seems manly to a group of testosterone and beer fueled men such as a truck show, car show, boat show, RV show or and such visit to a bass pro shop. It works well with a large group of men, that way it doesnt look like a date
Person 1:Hey did you hear? Jasons organizing a Man Function!
Person 2: Hell Yea! I Love You Guys In A Totally Non Gay Way.
Person 1: Me Too, Now rub Me down with deer scent