Fake pooing is the acitivty/hobby you undertake when you're bored at work and want to go kill some time, but actually have to need to use the toilet
Fake pooing usually involves one (or more) of the following
using your phone to text/play games
reading the newspaper
drinking a cup of tea
jerking one off
'I'm was really bored today, so I went into trap 3 to play some Tetris on my phone and do some fake pooing'