The act of sneak attacking a random person/friend often in a bar setting, pulling your shirt over their face and pouring a beer in their mouth through the shirt. This often leads to poor decisions, mopping of bar floor, multiple purchases of white v-neck tees, and loss of dignity.
Jacquie recklessly beer monstered Julian at Nichols.
A groom was beermonstered by random girl, marriage almost ruined.
November 07, 2010