Identical to " Figuratively Speaking"
Simply it means, when you say something which is not really true or realistic but you use it for expressing the intense of the circumstance. Obviously it is not similar to " Literally" or " Literally speaking". Literally means that is exactly true but metaphorically is when it's not true is just use to express the intense. Check the example to figure it out properly.
an extreme or irrational fear of or aversion to mek.
symptoms including sweating, dizziness, trembling, difficulty of breathing, puking, convulsions, may cause psychological problems and may also caused death.