Haven't heard that one before. I always say if I wanted a lite beer, I'd put an ice cube in it.
Frontloading - Getting drunk before going to a nightclub because the clubs drinks are expensive.
Where I'm from, that's known as "predrinking" and is common before places with long lines or sports events(with the #%#@ $8.00 beers.
Jumping on the grenade - When two groups of the opposite sex meet, one member jumps on the grenade by talking to (or possibly sleeping with) the least attractive member of the other group so as to ensure the success of the rest of the group.
Also known as taking one for the team.
$8.00 beers? That's worse than ShaftCo Field (home of my pathetic Mariners). They only charge $7.