What is Spike Dyke?
1.
A gothic type dyke, one who might wear fishnets/fishnet shirts, spikes (hence the name) etc.
"Oh man, look at the spike dyke, she's totally checking you out"
See
2.
A
John: Dude, did you see the chick with the cut-off shirt and spiked hair.
Steve: Yeah, she's a complete spike dyke.
See