Another way of spelling modification. Still with the same meaning. Mainly used in the car world created by a truck mechanic that didnt know how to spell.
We went to mtek modifikation to get my car repaired but wasn't done right.
The ultimate middle class "look at me". For those people who have decided that dressing up like a monochrome clown and calling oneself a "satanist" nothing cries out for attention more than having a pair of horns implanted into one's cheek.