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1.
Hack Sesh: N:

1. When young, or semi-young human-beings gather in a circle in relatively dry location and kick a small baggie of sand, (or in some cases cheap beads) around the circle using their body's, but no arms or hands;

2. When young human-beings gather anywhere, anytime, and smoke some dank kush casusing them to "hack" up a lung;
1; "Let's go for a hack sesh!".

2. "Let's go for a hack sesh!".
by EKOE/HCK/604 March 07, 2011