A Britney Spears
When a man shaves the whole of his “manhood” to impress his partner but it freaks out the woman or man he’s having sex with.
“Oops I did it again”

“I just did a Britney Spears”
“I’m a slave 4 u”
“I’m gonna do a Britney Spears for u x”
“OH NO YOUVE DONE A BRITNEY SPEARS”