This is where things get murky because some shot glass sizes can vary -- even by the slightest bit -- and may not always match up with the measurements of something like a cocktail jigger.

A PARTY girl has revealed how her daily drug habit left her with a bladder the size of a shot glass and needing to pee more than 50 times a day. Paige Collins first tried class B drug ketamine at ...

Read more: We Tried TikTok's Tequila Apple Juice Cocktail And It Didn't Go As Planned What can get a little confusing, though, is that shot glasses can come in varying sizes. The most common size ...