the act of sexual intercourse, otherwise known as "the birds and the bees." This phrase can be used for someone who is too immature to just use the word "sex."
"Hey Brandon! I did the coochiecooch with Sally last night!"
"That was some nasty coochiecooch."
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.