What is the stupidest fall out/argument you have had

[hbk4894]

remember saying my mate looked like a teacher and he didnt speak to me for the rest of the day.

 

[wolram]

Telling my ex wife she could not keep a horse in the back garden, that is why she is now my ex wife.

 

[Ryan_m_b]

I've had many heated arguments that last all night and ultimately are down to a slightly different definition of one word (possible alcohol fueled...)