I'm pissed about both underage consumption, not because I didn't deserve them, but because of circumstances.
1st-I was at an outdoor concert, we booked late and couldn't stay at closest campground which is generally free for all, we were at a nearby state park (I think). Lots of partying, drinking, etc. At one point we were going campsite to campsite, getting beer, one of us had acoustic guitar, etc. Did we get busted then? No, we got busted at the very end of the night when were buying quiet and sitting by fire. The only one of us that didn't get a underage was the girl who was probably drunkest of us, passed out in her sleeping bag, and cops didnt see her when they shined light in tent (or most of our booze, they found some of it)
2nd-At a house party in college. Me and my friend were ready to go, we were with guy across the hall, Todd, who was 21 and living in the college dorms. Anyways, Todd didn't want to leave, so we stayed. Cops came. Todd was 21, so they let him go. Me and my friend, we got minors. And what really pissed me off, we only had 2-3 busch lights, so we didn't even get our moneys worth. We walked out of the party, got into our car, and drove home. (I think I blew .04....still not legal to drive for us since we were under 21, but)