When a female, lesbian or not, has extremely short hair (usually a crew cut) and spikes it up. To be a true dyke spyke, it should be easy to mistake them from the back as a guy.
A haircut that can be on a guy or girl where the hair is shorter in the back than in the front. Its kinda like a reverse mullet but not quite, and spikier in the back.
Ex.1:"That chick is a lezbo, i mean c'mon look at that dyke spike."
Ex.2:"Matt and Adam have dyke spikes."
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.