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1.
A form of love bite. A bruise raised on the body of a sexual partner by very hard kissing / biting / sucking.
Normally found on the necks of adolescent girls.
You've got a hicky on your neck, who you been with you little tart
by Black Flag May 28, 2004
 
2.
a result from having a vaccuum cleaner for a mate. having somthing suck continuously on your neck until all the blood rushes to that spot and resulting in a "bruise-like" black and purple mark
"damn yo that bitch is like a hoover"
by Jimbo September 22, 2003
 
3.
A way for insecure people to prove to everyone else that they are in a sexual/physical relationship.
Boy 1: *point to neck* "PHWAH look what Fran gave me"
Boy 2: "AW how cute ...

you gave your vacuum cleaner a name"
by the_end_is_nigh (myspace) August 02, 2005
 
4.
A mark produced as a result of an act where suction and pressure is applied on someone else's body establishing claim or possession while also creating embarrassment or jealously by their BF or GF.
I gave Julia a hicky to remember the passion we shared, and so it would be noticed by her boyfriend.
by Roofba January 04, 2004
 
5.
a dark red mark that shows on your skin if someone sucks on it.
Nick gave melissa the reddest hicky on her neck last night, while they were getting all kinds of freaky.
by david October 09, 2004
 
6.
a black and blue on the neck...caused by someone kissing (sucking) on your neck
Dave had a nasty hicky...he was so ashamed of it he had to wear a turtle neck
by gomets11 October 29, 2002
 
7.
A black and blue mark that comes from someone sucking on your skin in the passionate throes of lust. Often embarrassing and easy to spot, especially on pale skin. Can be covered up by wearing turtlenecks and scarves.
Guy 1: "Lauren is so stylish... she always wears scarves and turtlenecks even when it is 90 degrees outside"
Guy 2: "That's because she's always covered in hickies from all of the hot guys she is messing with"
Guy 1: "Boy, I wish I was hot enough to give her a hicky. She is way out of my league."
by Simon is cool March 03, 2008