What I learned from the ex-wife (bit naughty)

I learned a lot from my ex wife before we split up.

I found out a group of sharks is called a Shiver, a group of flamingoes is called a Flamboyance, a group of goldfish is called a Troubling, a group of buffaloes is called an Obstinance and a threesome with Mike and Tony is called

Spoiler:

A couple of drinks with the girls after work!