zashley Share definition Flag The nickname given to the supposed (wannabe) relationship of Zac Efron and Ashley Tisdale. The're not couple!!! but some fans wish they could be and give them that nickname!! Did you see Zashley pics? Oh they look so nice together! I wish they could be a couple zashley by Carolita September 28, 2007 0 0 Get merch Get the zashley mug. Buy Now — $32.95 See more merch