Urban Dictionary: whitey
Others terms for it are bombing, buttoming out, etc.
Taking a huge hit that has you coughing uncontrollably and makes you sweat, and feel light headed.. Most commonly for me they come in knife hit form. I've puked too many times to remember from bombing.
When I was like 15 I started smoking cannabis with my stepsister and her boyfriend, that was the worst whitey ever. After you've been smoking for a little while your lungs get used to it, so it makes it easy to bomb out. I took a FAT rip and couldn't stop coughing for 2 minutes atleast.. I thought I was gonna die or something.
Friday night my buddy had some hash, that shit is so potent and strong that a normal sized hit will cough you out for a grip. But you gotta cough to get off.