American English swear words beginning with the letter N

Phrase Meaning Is This Accurate?
nimrod dumbass (100%)      (0%)
nincumpoop dumb person (0%)      (0%)
Nob Job Fellatio (67%)      (33%)

American English Swear Words by Letter:
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z