唔切軚

I noticed there are a lot of phrases with 唔切軚 in it, in particular:
- 回唔切軚
- 拎唔切軚
- 轉唔切軚
- 扭唔切軚
- cut唔切軚

I understand that 軚 originally refers to a car's steering wheel, however what is the specific meaning of 切軚 by itself and in these phrases?