While having sexual intercourse on the beach the man ejackulates into the woman's vagina, then let the cum run out of the vagina into the sand, then you later build a sand castle with it,
dude: i made the best sand castle this weekend!!
Girl: Really?? How?
Dude: I made it squan style((:
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.