To put the top of your head into a girls va jay jay like a swimming cap

To insert ones head into a females vagina

Having a nipple so large it looks like a swimming cap.

When you roll a condom over the top of your head like a swim cap, and shove your head deep into a woman's vagina.

Before sexual intercourse a bald male first shaves off his or the females pubic hair. Then pours a bowl (or glass) of his own semen on his head and proceeds to place the pubes onto his noggin. After securing the pubic hair toupee the man spreads the womans vagina and shoves his head inside of the "Pink Swim Cap".