From Longman Dictionary of Contemporary Englishold cootold cootSTRANGEINSULT American English informal an old man who you think is strange or unpleasant a miserable mean old coot → coot
Examples from the Corpus
old coot• Taking off your clothes for an old coot like him?• He's a crazy old coot.• She thought Mrs Magendanz had seen the old coot staggering around the house and screaming abuse at her.• We had the tar right there, just throw the old coot ill and cook him and use him for fill.• And by the way, old coot, cough up $ 200 for our trouble. 