Explanation of Fish Hooks
It’s common in Hold’em to give certain types of starting hands nicknames. The nickname for pocket Jacks is “fish hooks” no doubt because the curved end of each Jack looks like a hook. Another reason however is perhaps because JJ is often strong enough to beat a “fish” (weaker player), especially when making an overpair.
Other names for JJ -
How to Use Fish Hooks as Part of Your Poker Strategy
There are practically endless nicknames for all of the different starting hands in Hold’em. Knowing them is presumably not super important, but sometimes not knowing common nicknames such as “fish hooks” could result in us feeling left out of a poker conversation we are not following.