To Nern (Verb): A male having doggy style sexual intercourse with a female.
Nern (Noun): The male of the pair, that are having doggy style sexual intercourse.
Note: A gay couple can not nern successfully. If two males are having doggy style sexual intercourse, they are not nerning.
"I nerned her so hard last night, she soiled my sheets with blood."
"See those two guys holding hands...they are unable to nern."
"Martin: Hey babe, I'm irking for a nerning.
Isabelle: Sure, but not at your house, last time we nerned your parents caught us."
"Last night was amazing, until he nerned me in the wrong hole. Not cool."