To corrupt; decay; putrefy; spoil.
That which is rotten, or the process of rotting; decay; putrefaction.
A disease of sheep; also, a disease of plants, as potatoes.
" Reminiscences," said Lalage, " are rather rot as a rule." – Lalage's Lovers 1911 by George A. Birmingham
I didn't say they were all bad boys- rot! – Bird of Paradise by Ada Leverson
Yes, rot him, he's up. – Man to Man by Jackson Gregory