What the hell is that?

Believe it or not?
This photo is taken from my Human Body in Health lecture notes.
Man, the whole image looks so serious except for that object!
Which can be easily spotted to be
flowery panties!

Is it necessary to be drawn there?
Like he takes off his panties so fast huh?
But then not enough time to throw it away so has to hold in hand?
And holding in such a disgusting way?
LOL!