Birthday Shaft 

When you are not invited to a birthday party because you are lame.

Did Nick get invited to that hot girl's birthday party?

Nah, he took her on a lame date so she gave him the Birthday Shaft!

Birthday Shaft by randy2.0 October 23, 2009

Birthday Shaft 

When the only present you give the birthday girl is your birthday dick. Happy Birthday.

Girl, you're about to get birthday shaft for a present.

Birthday Shaft by Totally not Bill July 24, 2016