Someone who breastfeeds a baby when its mother cannot.
I had a masectomy so my sister wet nursed little Johnny.
by Lokix December 27, 2005
To take extra special care of someone sick or injured and also drunk. Even though the name sounds suggestive is not something inherently sexual.
I got tore up from the floor up on Fundador and Rose wet nursed me all through the night.
by Ryo Ohki May 27, 2005