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]
(..) with positive energy, huh? And you'll be surprised how much a ceiling fan can cut down on your energy costs. The ad said this pool was lagoon-like. There's nothing lagoon-like about it. Except for maybe the bugs. There aren't even any plants out here. What do you call this? Is this not a plant? (..)1999 American Beauty