Top definition
when 1 or more people smoke marijuana in an enclosed space such as a car, small room. etc. The smoke from the marijuana exhaled and burnt stays in the vicinity, causing the occupants to get even more stoned.
"yo, where can we smoke this bud?"
"we can have a compression session in my car."
"sweet."
by andrew June 18, 2004
Get the mug
Get a compression session mug for your cousin Rihanna.