Well, with stuff like dice rolls, I simply ask my opponent to roll their dice where we can both see them, and then to pick-up all the 'failed' rolls.
If they refuse, then obviously they're the type who're used to fudging the results, so I'll know to watch them closely.
When it comes to measuring, I'll try and watch how they're measuring - if it's awkward or somewhat confusing, I'll again polietly ask them if they wouldn't mind just measuring say 'front-to-front' because my scambled brain can't keep track of much these days! (8 concusions to that to you ya know!:slapface:.)
Basically, if they are your friend, they shouldn't have a problem with simple, friendly requests like that! If they throw a fit or start give you the 'evil-eye', then they're likely the kind of person I really don't want to be good friends with anyways... (I also find for example, they're typically the ones who ask to borrow 'X' item and then you never see it again!)
As for other games, well... When I played competitive hockey and I'd take a cheap shot or I see a teammate get whacked by a dirty play, I'd take the other player's number, and later on line 'em up for a nice, solid open-ice hipcheck! (a lost art nowadays in all honesty)
After being sent flying & getting winded, they'll at least be a bit more hesitent at taking another cheap shot the next time...
Worst comes to worse and it's say someone taking out a teammate from behind into the boards, (or god forbid the goalnet), if I'm on the ice I'll simply grab 'em and start punching!
Hockey is how I vent my anger issues!
Cheers!