a designated break for the consumption of Ganja between the beginning and end of a movie or television program.
we paused for an extreme intersession when we were watching "strange Brew"
by tacobob420 November 20, 2010
1 more definition
a break dividing the first and second semesters of an institute/university/etc.
Intersession for my school lasts one week after the winter break.
by ctrl-z October 29, 2006