Green’s Dictionary of Slang

(US) adorable; also as excl.

2011		laist.com 12 Sept. 🌐 Adorbs! Pics of New Baby Animals at L.A. Zoo Could Melt Your Cold, Dark Heart.
2012		C. Eble (ed.) UNC-CH Campus Sl. Fall 2011 1: ADORBS -- <adorable cute: ‘Look at that baby playing with that puppy. Adorbs!’.
2013		Salon.com 6 Jan. 🌐 Zooey Deschanel, you make feminism totes adorbs.