Short for 'Self Directed Learning'. It is a session well loved by medical students during their clinical years. During sessions like this, students have the freedom to either clerk patients, practise certain procedures, revise the textbooks, loiter around, sleep or go home early.
Clinical lecturer: I can't make it on time later, so I guess you all will have SDL.
Medical students: Yay!
Medical students: Yay!
by DanielJJ November 04, 2016

by DanielJJ December 16, 2019

After a user added some false information to the Wikipedia article about Fantastic Four, another user undid the edit and left the remark 'revert troll'.
by DanielJJ January 06, 2017

Daniel: I have just finished my teaching session.
Colleagues: We were done with ours a long time ago.
Daniel: You all are so fast!
Colleagues: You were giving a TED talk!
Colleagues: We were done with ours a long time ago.
Daniel: You all are so fast!
Colleagues: You were giving a TED talk!
by DanielJJ December 29, 2021

by DanielJJ October 27, 2016

by DanielJJ November 02, 2016

Every body cries when watching this sad movie, except him, who does not feel sad at all. He is such a robot.
by DanielJJ October 08, 2015
