1.
When someone doesn't pay attention during the rules:
2.
Sticking to the edges in Battleship:
4.
Drop one of these in Uno:
5.
Make up bunk definitions for bunk words in Scrabble:
6.
Or lay down a bingo immediately after someone lays down a bingo:
7.
When you get the sense that your "friends" and "loved" ones are sending you subtle messages on the board:
9.
Stop asking. Nobody is interested:
10.
When people broadcast their feelings:
11.
When someone cuts off your longest road:
12.
Pretty much anytime a 7 gets rolled in Catan:
14.
Preventing a monopoly out of pure spite:
15.
That moment when it becomes abundantly clear that one person is going to win at Monopoly:
16.
Then flipping the board:
17.
Actually, you know what? Just stop playing Monopoly:
18.
Cut off someone's trans-continental railroad in Ticket to Ride:
19.
Stack villages and use them back-to-back in Dominion:
20.
When you use a swindler, and realize that you can only make your opponent take the card they already had:
21.
When someone knows they're not going to win, and spends the rest of the game trying to take you down:
22.
Just starting a game of Risk at all: