Only when I mix pot and alcohol. Usually, I'm already drunk before I pull out my bag, and five minutes after a long sesh, I'm watching my stomach contents evacuate.
Never from weed alone have I puked, but I did cough so hard once that I started gagging.
"grass than beer your in the clear, beer than grass your on your ass"
a few weeks ago while grilling, i completely greened
there were 3 of us and a 1/4oz of sum decent weed and my novelty dick bong
i was goin fine, completely chargin, fucking pumped as, had 16 cones in like an hour (thats the most i have ever had in a sesh)
was just sititn there talkin to my mates, when all of a sudden i just start leaning over on the lounge, it took me about 5 minutes apperently to get from 90degrees upright to 180 flat, and that was where i stayed for the next 6 hours
completely unconscious and dead to the world