(n, adj, etc.) 1. The word around which the entire solar system revolves--according to me, Sven. 2. A universal word (works for any language), created specifically for the lazy or ignorant. 3. the word written vertically in blue librarians tape upon Sven's wall. Also bilfage, bilfent, biltant ,bilfental, bilfold, or with any other suffix you desire. Example: 1. Tu queres acer mi Bilf? 2. Ahhhhhh! Bilf! That hurt! 3. I accidentally bilfed when I was boarding the other day.
BILF
Meaning of BILF in English
Slang English vocab. Английский сленговый словарь. 2012