• When your wet hands whack the tissue paper

Most of the time it happens that after washing your hand; you try to pick up the tissue to dry you hands but unfortunately because of your wet hands the tissue gets whacked.

via reddit /u/ IdanTs

• When you do not understand the design of the tiles
  It happens to everyone, most of the time people do not understand the design of the tile and it is so annoying for them, to understand the layer of tile.

via reddit /u/ qungfu