Wordnet 3.0
NOUN (1)
1. 
 a cup of tea; 
[syn: cuppa, cupper]
The Collaborative International Dictionary of English v.0.48:
cuppa \cuppa\ n.
   a cup of tea. [British]
   Syn: cupper.
        [WordNet 1.5]
WordNet (r) 3.0 (2006):
cuppa
    n 1: a cup of tea [syn: cuppa, cupper]