A side affect from going and banging some chick in Amsterdam while you are over seas serving your country and your dick starts leaking some nasty thick creamy puss shortly after.
(Doctor) "What are you symtoms?"
(You) "I got the drippydick."
(Doctor) "No sir, you got chlamydia."
Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.