it turns out there's already a beer drink called the Cincinnati
In the mid-western USA, a Cincinnati is a 33%/66% concoction of 1/3 lemon-lime soda (i.e. Sprite or 7 Up) and 2/3 lager or pilsner beer.
which, going further, it turns out is really just a Shandy
and then there's this:
Other names for shandy
Austria: An Almradler is made with a 60/40 mix of popular Austrian Almdudler soda (a traditional Alpine herb drink that tastes a bit like a ginger ale) and pils or lager beer. A 50/50 blend is marketed by Puntigamer in bottles and cans. It is also popular in Bavarian Germany.
Flanders: Kivela (Estonian > “land of stone”) A mixture of German lemonade and lager.
Spavola (Italian > "bubbling water") a mixture of sparkling mineral water and lager.
Mazout is a mixture of cola and lager.
Wallonia: Diabolo (“devil”), a lager mixed with mint or grenadine.
Brussels: Tango, dark beer with grenadine.
Bahamas: "Shanti/Shanty" (as in shanty town where the ragamuffins live): this term is commonly used by certain people
Chile: Fan-schop, a mixture of beer with Fanta orange soda.
Colombia: Refajo, a mixture of lager beer with red cola-style soda like Kola Roman or
France: A Monaco is a Panaché with Grenadine added.
Japan: Shandygaff, a mixture of beer and cola.
Portugal: Called either a Panache or a Shandy, it is a drink popularized by the tourists who brought the drink here. It is made with draft beer mixed with carbonated lemonade or a lemon-flavoured soft drink (often 7 Up or Sprite).
Switzerland: Called either a Panaché [Swiss French] or Panasch [Swiss German].
Spain: Called a Clara or Clara con Limón if it’s made with sweet carbonated lemon soda (Clara Spanish > “Clear Lemonade”). When made with carbonated soda-water, whether it is lemon-flavored or not, it is called Clara Limón gaseosa ("Lemon Soda"). In some other parts of Spain, a mixture of beer and sweet lemon-lime soda is called a Champu.
so, i had a heineken on ice the other nite..it was delicious..maybe we'll call it the Nelson