Lyric discussion by jameburg 

Cover art for Cavalettas lyrics by Mars Volta, The

The line should be "I am a DEF CON of angora goats". DEF CON is the acronym for the US Security system. The character is saying he is the security system for the goats. This is basically an extremely long winded, yet incredibly clever and well written way to say "I am a goat herder." Just thought I'd add my two cents.