The state of mind and physical appearance assumed after finish a vast quantity Jagermeister. Usually characterized by loud exaggerated claims of physical/sexual prowess, wanton destruction of anything in the immediate vicinity, and the complete abandonment of any standards regarding the opposite sex.
"Dude did you see John turn into the Jagermonster last night? He told the entire party that he could jump rope with his dick, drop-kicked the front door off its hinges, then got head from the albino chick!"
This highly banterous name, originating from Tonbridge School, is bestowed upon a figure wise beyond beers, who is well known for often donning their lashmina or indulging heavily in bangers and lash, particulaly at Bar Fusion, resulting in the occasional and hilariouschunder dragon. Akin to an MBE for services to drinking, but better. Also commonly referred to as a ginpin.
Man #1: So ____ I heard that you had quite the weekend?
Man #2: Yehh boi ! Did the Circle Line pub crawl and got so hammered that I ended up going over to this midget, giving him my sock and telling him "Dobby, you're free"
Man #1: Mate it sounds like you earnt some serious man points that night...From now on you will be known as the Jägertooth tiger
WARNING: Often leads to an inebriated state and regrettable decisions. In other words, this drink can turn you into a Jagermonster
2.) Can be used in the past participle -- The state of being one enters after multiple JagerMonster shots which can range from tipsy to fall-down drunk.