Butterneck
When a persons neck is wide open , and you slap said neck incredibly hard as if you had butter on your hands .
While Wade was sitting at the table, i snuck up and butternecked him
Butterneck
The act of pulling out while hitting it from behind and shooting a direct hit on your partner's neck.
Every since my sister got her new boyfriend , she hasn't been very enthusiastic during tickle time. So I had to Butterneck her ass.
ButterNeck
A term referring to any magical or mythical creature beheaded on the CW show, Supernatural. A being who's head can be cut clean off in one swing using anything remotely sharp.
Wow Sammy, you cut off that vamps head with a pair of safety scissors. Those can't even cut paper... Guess that's why we call'em butternecks.