E-STD 

Pronounced ee-stid, is an electronic STD contracted from viewing too much internet porn.

i.e. a computer virus

Your computer is slow as shit! How many fucking E-STDs have you got?

E-STD by D-Lines December 9, 2008

ESTD 

The Virus your PC gets when you go to too many unsafe porn sites.

My Brother was surfing the net last night, now the hard drives full of ESTD's and there's little hairs in the keyboard. Grody.

ESTD by Captain Paul June 9, 2005

ESTD 

Acronym for "Easier said than done". In other words, the task at hand is easy to discuss but would be far more difficult to actually accomplish.

<Pinky> Let's take over the world, Brain!
<Brain> ESTD, Pinky...

ESTD by Dr Fruitcake July 27, 2004