Lungasm
When your lungs signal you that what you have smoked is enough or beyond and that it is good.
"Dude I just had a total lungasm, that Sour Diesel is bomb." Said one legally responsible adult to another.
"I'm glad you use a bong, I get a total lungasm every time we smoke dude!"
"I'm glad you use a bong, I get a total lungasm every time we smoke dude!"