Search Result for "off-day": 
Wordnet 3.0

NOUN (1)

1. a day when things go poorly;
- Example: "I guess this is one of my off-days"


The Collaborative International Dictionary of English v.0.48:

off-day \off-day\ n. A day when things go poorly; as, I guess this is one of my off-days. [WordNet 1.5]
WordNet (r) 3.0 (2006):

off-day n 1: a day when things go poorly; "I guess this is one of my off-days"