They are the names of the drinks. Here's a list:
Brilliant Champagne: premium champagne mixed with cherry and orange juice.
Flygon Special: watermelon juice, cantaloupe juice, a pinch of salt, a half teaspoon of jalapeno juice, and a half cup of sugar, blended together and poured over iced tea.
Last Fight Punch: Arizona green tea, Hawaiian punch, and a special ingredient. Not sure what, but probably alcoholic.
OC Sunburst: 20 fl oz of Lemon-Lime Gatorade, 8 fl oz of "Full Throttle Citrus-flavored energy drink", 8 fl oz generic pineapple soda.
Variant: Russian
Sunburst Pachy Pachirisu Special: 1 shot of every energy drink on the market, Lemon Juice, Lime Juice, Sprite, 7up, and Mountain Dew. Turns your vision blue. Don't worry about it.
Ponyta Latté: A latté, but with spices and an energy shot in the mix.
Raichu: a mix of all the drinks served at the Nightclub. Served as a shot.
Sammy Chocolate Special: chocolate milk with ginseng and a hint of bourbon.
Sammy's Apples with a Touch of Blue: apple juice, vodka, and food colouring.
Slowpoke Special: water and coke, a few pinches of dried SlowPokeTail, and molasses. Served in a shotglass to keep Pachirisu drinkers from passing out on hyperness.
Spinda Special: everclear, vodka, and some essence of Confuse Ray, shaken by a Spinda or Spoink. Served with Persim berries to cure the confusion