The opposite of hilty pilty
an expression often used to describe something as being bad.
Bad, terrible, horrible
Usually followed up by the word mothafucka

1. No one will look at my genitals, this party is hilly nilly!
2. Hilly nilly, mothafucka!
3. I had a hilly nilly time tonight because I found out my father is actually a bear.
4. This is just hilly nilly, mothafucka! I have nowhere to sleep tonight and nothing to eat!
by Evan Henderson May 6, 2008
Get the hilly nilly mug.