When a man gets an erection because he is either thinking about or currently enjoying multiple manly things at once.
Manly things may include, but are not limited to: beer, boxing, hot wings, UFC, jack daniels, pornographic material, (fantasy) football, full-contact football, meaty subs measured in foot increments, anything flannel, boobs, dip, shit and fart jokes.
Bro 1: I wonder what they'll show tomorrow night at the bar, there's a UFC and boxing PPV at the same time.
Bro 2: Damn. They should play both, then sprinkle porn on a couple TVs, too.
Bro 1: Amazing, then think about all the wings and beer we'll have...maybe pack a lip, too?
Bro 2: I'm getting a manrection just thinking about it.
A heterosexual male who becomes very affectionate towards other males, usually the result of alcohol consumption by saidmale.
"Yo, James was maddrunk Saturday, and he threw his arm around me and was like an inch away from my face. Dude was getting a little too manffectionate for my comfort."
1: a force acting mutually between 1 or more men, at least one being very or extremely sexually attractive, tending to draw them together, and resisting their separation; and yet still maintaining a proper heterosexual distance between them
2: The property or characteristic of a sexy man that attracts or is intended to attract other men by appealing to their desires and tastes,