The act of Mcganning beers will typically consist of repetition of this behavior and may be accompanied by boasts of how many beers they have 'drank' so far.
Mcganning is generally frowned upon as it is not cost effective and leads to having to clean up wounded soldiers the next day.
2. "I haven't seen someone Mcgann beers like that since freshman year. who invited those slats to the party anyway?"