We were doing some king of the mat tonight in class, working from different positions. I came off the wall and went to the back position (person coming off the wall starts with the other person on their back). After about 30 seconds or so of scrambling the guy gets a solid grip on my collar and pulls me onto my side (same side as his over-grip which is in my collar) and starts cranking the choke. I started trying to work an escape I saw on Galvao's DVD set but was too late starting and the choke was too deep. Before I know it I'm trying to tap but only got 1 tap in (I think I missed with the rest, or maybe I was going out by that point). Just as I'm about to go out he lets up a bit and starts asking "did you tap?" It was just enough to get the blood flowing again. He keeps asking "did you tap?" but I was so disoriented I didn't know what he was saying (I could hear him clearly but just couldn't make sense of it). Everything was fuzzy, I couldn't think straight, and every sound had a strange echo to it. It was the weirdest sensation (first time, obviously). Took me a good 10 seconds or so to regain my wits just to be able to respond to the guy. It was actually a pretty neat experience, once I got past the moment of panic and realized I had just gotten choked (I was so disoriented and confused I panicked a bit internally briefly). From now on I'll be trying escapes I'm more comfortable with when I'm rolling with purple belts (being an admittedly below average blue belt myself). Anyone have similar experiences when getting choked? I've always been curious about what sensations people experience. I didn't go completely out (close, but not quite) so I didn't have the body twitching stuff or anything like that.