the dirty needle 

A blow job right after anal.

I got the dirty needle from my girlfriend last night.

the dirty needle by The naughty magician May 5, 2016

The Old Dirty Needle 

1 see Dirty Needle

2 Proper noun. A controversial paper which may or may not pertain to assigned subject. Most commonly used to achieve honors credits, while omitting any comprehensive research or significant work. The controversy of the paper overshadows the fact that the paper is often on an unassigned or unrelated topic. Spelling and grammar are seen as superfluous.

Origin: A controversial paper titled 'Dirty Needles' done as an extra credit assignment. Originating in Portland OR, the paper received significant publicity and was approximately 50 percent grammatically correct

You're doing honors for Ms. P?
Naw dude I'm just gonna give her the old dirty needle

I was going to fail Chloe but she gave me the dirty needle. The worst I can give her now is a B.

The Old Dirty Needle by PWHS December 21, 2009