The first video was tweeted by geekcalendar yesterday and was new to me. It's a parody of Katy Perry's "I kissed a girl" called "I kissed a nerd":
It immediately made me think of Venetian Princess's parody of Britney Spears' Womanizer.
Then, of course, there's a master of nerd rap: MC Hawking:
And what collection would be complete with Weird Al's White and Nerdy.
Finally, there's the smutty mouthed Monzy
I cry at the following words:
Your mom circulates like a public key,
Servicing more requests than HTTP.
She keeps all her ports open like Windows ME