sucking the king's nipples 

To submit to someone; to please someone when you want something from him/her

This was originally a gesture of submission in ancient Ireland. (Yes, literally sucking a king's nipples.)

Person A: Wow, Larry sure is giving his professor a hard time with the C he gave him on his final. I heard he's been calling him non-stop every day.

Person B: What? It's already been a month since our grades came out! It's time to start sucking the king's nipples.

sucking the king's nipples by YourTypicalRedditor2010 July 4, 2010

sucking the king's nipples 

To submit or give up.

Sucking a king's nipples was a gesture of submission in ancient Ireland

What? It's already been a month since our grades came out! It's time to start sucking the king's nipples.

sucking the king's nipples by anonymousredditor July 4, 2010

Sucking the king's nipple 

Gesture of Submission, to suck up to.

What? It's already been a month since our grades came "out!" It's time to start sucking the king's nipple.

Sucking the king's nipple by File Peter July 4, 2010