Neckage

The area between the first chin and the second chin. The extra skin hanging from the chin of a skinny person.

Faulk grabed Daniel's neckage and he got angry. It probably hurt.

v-neckage

the effect of a v-neck t-shirt on an extremely attractive male; usually accompanied by tight pants

Check out that v-neckage on William Beckett. It was orgasm to the eyes.