slang A more enthusiastic alternative to "yes." The number of A's and S's can vary. School is closed today? Yasss. Yaassss, pumpkin spice lattes are finally back at Starbucks!
slang An expression of excitement and approval. The number of A's and S's can vary. Yasss queen! You look gorgeous!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.