pdl
/pid'l/ or /puhd'l/ [abbreviation for `Push Down List'] n.
1. In ITS days, the preferred MITism for stack. See
overflow pdl. 2. Dave Lebling, one of the co-authors of
Zork; (his network address on the ITS machines was at one
time pdl@dms). 3. Rarely, any sense of PDL, as these are not
invariably capitalized.