A conversation with a person who has done a lot of coke that you can't get away from. People on coke tend to be really chatty and oblivious. (person caught in coke hold can be sober or not)
After doing her third rail in five minutes, Susan turned to me and just started rambling about life's deeper meanings. I wanted to get away but she wouldn't shut up long enough for me to excuse myself. I was caught in a coke hold.