Top Definition
Smoking weed while driving on hills or back roads with little to no traffic on them. Although most common at night, daytime Hilly's can be pulled off with some discretion.
I called in sick to work today because me and some people are goin on a hilly later on.
by Gilberto Sanchez July 27, 2011
To become verbose and overly persistent whilst intoxicated. To demand incessantly, particularly when pertaining to matters of sex drugs and rock and roll. Usually directed towards Pickers via text or mobile.
I was out with the lads last night and would you believe but Tina calls me up and goes into a right HILLY! She just wouldn't give it up!
by mark pickering December 09, 2004
Being Hilly : a soft cock who stops drinking and goes to bed early.
Stop being a Hilly ! It's just 9:00PM.
by J9zz May 18, 2013
A Hilly is a off-coloured clump of hair found on the head.(commonly a white spot, looking like bird s***)
This may be because of birthmarks on the head.
Man 1: Holy crap! That guy has a kick ass hilly!

Man 2: OMGZOR!@!@!@!@!
by Bryzy April 24, 2007
1. An area or environment in which many hills encompass and makes it difficult for people such as bike riders or pedestrians (elders and obese people in particular) to maneuver.

2. Mad difficult to get around. Hitch a ride!
3. Your mum.
1. Governors Island is very hilly. Jewish people please keep off.

2. A mamasita cannot walk over the hilly ground.

3. You mum is so fat she no know how to walk up that hilly island.
by Hillygirl44444 July 05, 2011
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