When you have beer left over after many nights of drinking that has collected into a large ammount of Alcohol usually with many different types of beer. When you decide to drink this ungodly concauction it usually results in everyone fighting over the best beer in the lot.
Hey man you want to drink tonight? I have a huge beer cocktail after the party last night.
Whats in the beer cocktail?
Just some Heineken and bud light
I got dibs on the Heineken
an alcoholic drink that is consumed while en route to another location. This is usually drank from a plastic cup to be thrown out when you arrive at your destination.
Jeff didn't want to loose any drinking time, so he had a walking cocktail on the way to the bar.
The instance in which a man (or men) sneeze and ejaculate into a tissue in no particular order and place the tissue into a stranger's alcoholic drink, to therefore create the Kleenex Cocktail.
Bill: "Yo I've got this used tissue here."
Mike: "Alright gimme a few seconds and well have a Kleenex Cocktail." <enters bathroom>
Bill: "Put it in Tommy's 40!"