1.) Someone with an unnatural compulstion to wear spikes and all things metal on all parts of their body. Often associated with maschisocism
. Very sexy on girls.
2.) Someone who spikes people's drinks at a party, I.E: Adding drugs/alcohol to them for fun or profit.
3.) Madman (my buddy, not the admin) on a really fucking bad day.
1.) The spiker drifted gracefully into the room, and the preppy girls cringed at the safety pins driven through his arms and thumbs.
A.)Tom is such a spiker. We want him at the party?
B.)Only for the girlfolk.
A.)Holy shit, madman went spiker today.
b.)Oh shit, where do we hide now?