Beersight

beersight \'bɪər-saɪt\
noun.

The horizon to which one can see when one is drunk. It is found to vary from zero to the distance to the region between the neck and the abdomen of the nearest female among men; And is firmly fixed at the date of the wedding ceremony for women.

SOCIAL TIP: Beersightedness, though not a medical defect of the eye, is a perfectly valid excuse to throw up on absolutely anyone's perfectly wonderful evening dress.