Long Weekend Sweatpants

The sweatpants you where during or the day after a long weekend. Usually seen in schools, not work.

Example 1.
Guy 1: So what did you do over the MLKJ weekend?
Guy 2: Nothing just sat on my couch in my Long Weekend Sweatpants and watched tv.
Guy 1: The ones your wearing now?
Guy 2: Yup