I was 19 at the time, going with my friend to a bar when one guy, standing with his 2 buddies near the entrance, tripped my friends leg. He lost his balance and almost fell on the ground. It fucking looked ridiculous. My friend was kind of pissed off, but he regained composure and started looking towards them very puzzled. Then that asshole suddenly got into my friends face and asked him why did he knocked his feet of purpose, giving him a hard time while snickering in his face. That guy was all ready to go.
Luckily, one guy that was with them knew me since we had few drinks together in the past so he intervened and stopped him, telling him we are good guys and to leave us alone. We contained ourselves and said nothing at the time since we were just skinny geeks playing starcraft and that guy was all muscle, heavier by at least 50 pounds from both of us. But I saw everything, his fucking evil look in his eyes and I couldn't forget that. I was raging inside my self and was determined to hit him back if he does anything to my friend. When I met with the friends of that asshole later on he said he was into bodybuilding, martial arts and he could probably takes both of us at the same time.
Come 6 months later, we are drinking heavily on a "goodbye party" since me and one of my other friends were leaving for the army for the next 6 months. The whole place was reserved for the night just for 30 of us or so. Late in the evening that asshole shows up and starts drinking and looking around for trouble. I know that because he had that same look. 6 other guests were from our old class and there were some local friends from our city. After too much alcohol some pushing around started between local friends and our old school mates escalating more and more. Suddenly, that asshole start walking towards them, taking of his shirt, getting ready to fight I thought. I was on the side, about 8 feet from him, just looking around and decided to take my chance. While he was walking I took my advantage and managed a full swing blow into his cheek. The guy never saw it coming and he fell like a rag doll on the ground knocking him out.
While I was all skinny and weak at the time, I could pack a good punch. I know that because I was hanging out at those hit machines that could measure punch strength from 1-1000. I could score 968, mere 14 away from the record. The odd thing was that nobody noticed this since everyone was pretty much drunk and looking towards the bigger commotion. I was scared shitless and my hands were all shaking. I decided to go to the bathroom and lay low for a while, washing my hand for 10 minutes and such. When I got out, that guy wasn't there. I'm not sure what happened to him. I guess he just got up and left looking for me or something. All in all, that was proudest pussy-ass move I've done to this day. When I got out of the army I saw him once again, but when he noticed me he did nothing. I guess he was drunk enough not to see me as well. I secretly loled and decided to take this in my grave because I know he would tear me to shreds.
Other that that, I got beat up by 5 guys when I was walking to my car after one concert just for lolz I guess. They were drunk and laughing. When I was passing near them, one guy suddenly punched me and others joined. I took about 20 feet kicks. Luckily, besides bitting on the inside of my cheek, I was fine in 5 minutes and was on my way. Pussies.