I saw a beauty my brother invented which was given no name at the time but which I shall dub the concrete mixer
1 part vodka
1 part tequila
1 part ouzo
. The less currently inebriated amongst you will have noticed that these are all clear drinks
The drink knocks even seasoned alcoholics for six. It also leaves a hard, grey crusty residue on the glass that is like concrete, hence the name. It leaves a similar residue on the brain.