lastfix
nounUK /ˈlɑːstfɪks/
US /ˈlæstfɪks/
A lastfix is the very last repair you make to something.
After one final lastfix, the old bike rode smoothly again.
OTHER MEANINGS
2. The last quick solution used when nothing else works.
The teacher's lastfix was to move the noisy kids to the front row.
3. A final adjustment made just before something starts.
The crew did a lastfix on the stage lights before the show.
4. The very last thing added to finish a project.
The lastfix on the treehouse was a bright red flag on top.