Things I think we all mostly tend to agree are cheesy:
1. Camp wizard, like a transmuter making potions, handing out stones, casting spells like longstrider
2. Camp cleric, casting spells like aid and warding bond, etc...
3. Setting up barrels before the fight to ensure victory
4. Save scumming to get the desired roll
5. ???
Things I've heard called cheesy, but I'm not sure if I agree:
1. Attacking from stealth. --it seems like some classes are built to do this. Avoiding this tactic feels like it's discounting the strength and flavor of certain classes, like the rogue or the warlock with devil's sight. That said, the tactic is incredibly powerful in the game, which makes the "cheesy" accusation understandable. This is a tough one for me. I'm really not sure how I feel about it.
2. Powerful class combinations, like the Paladin/Warlock or the Rogue/Gloomstalker. I see the strength of the classes, but they're legitimate combinations. I'm not sure I consider them so much cheesy as I consider the game to be flawed when it comes to the max difficulty level. This wouldn't be as much of an issue if the AI could better handle player tactics.
3. The use of certain equipment, like the luminous armor. I just can't help but think the equipment is fair game.
Things I no longer use in the game because I consider them to be too much:
1. Speed potions,
2. Haste spells,
3. Strength elixirs
