full nelson

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A wrestling hold in which both hands are thrust under the opponent's arms from behind and then pressed against the back of the opponent's neck.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun wrestling A hold in which the wrestler applying the hold puts their arms under the arms of their opponent and apply's pressure to the back of their opponents head or neck.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a wrestling hold in which the holder puts both arms under the opponent's arms and exerts pressure on the back of the neck (illegal in amateur wrestling)