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1.
The act of sleeping with or trying to sleep with your friends ex's.
I don't know if hilling is for me, I'm not that desperate.
by Jimbob1 November 25, 2007
 
2.
over sized meat hacker usally found at toby carvary dribberling over ne thing female

or off sick all the time
hilling= winnit
hilliing we dont do turkey steaks
hilling stab the meat not ur nose!!!
by master carver 101 November 22, 2010