like a cigar, apparently:
1. growing with excessive luxuriance; vigorous and tall of growth: tall rank weeds.
2. producing an excessive and coarse growth, as land.
3. having an offensively strong smell or taste: a rank cigar.
4. offensively strong, as a smell or taste.
5. utter; absolute: a rank amateur; rank treachery.
6. highly offensive; disgusting: a rank sight of carnage.
7. grossly coarse, vulgar, or indecent: rank language.
8. Slang. inferior; contemptible.