BUAF // , n. [abbreviation, from alt.fan.warlord ] Big Ugly ASCII Font a special form of ASCII art. Various programs exist for rendering text strings into block, bloob, and pseudo-script fonts in cells between four and six character cells on a side; this is smaller than the letters generated by older banner (sense 2) programs. These are sometimes used to render one's name in a sig block , and are critically referred to as BUAF s. See warlording.