hickie

noun

a bruise or mark on the skin caused by sucking or biting, typically on the neck or arm

Usage: informal; also spelled 'hickey'

Examples

She tried to hide the hickie on her neck with a scarf.
He came back from the party with a hickie on his arm.
The hickie faded after about a week.
She was embarrassed to show up at school with a visible hickie.
He joked that the hickie made him look like a vampire victim.