They've been trying to work/get the 'bugs' out of the system. [=trying to fix the system's problems]
He was first bitten by 'the' acting 'bug' [=he first became interested in acting] when he was 18.
Her legs were covered in 'bug' bites. [=itchy or painful wounds from insects]
(..) Why? I's a party. Wouldn't you be drinking if you lost a bundle on some crackpot... ...who you thought was gonna take you with him to fame and fortune? Not to mention your friend the bug. Not tonight, Harry. Every night! Until I find him, i's -. Parker! Parker! (..)2004 Spider-Man 2
(..) Harry sent me roses. So where you been, pal? You don't return my calls. I've been busy. Taking pictures of Spider-Man? How's the bug these days? The less you see of that man, the better. Now, le's all go into the other room and have something to eat. I'll get the hors d'oeuvres. (..)2004 Spider-Man 2