We found one dictionary that defines the word on spot:

General (1 matching dictionary)

1. on-spot: Wordnik

Phrases: on the spot, johnny on the spot, put on the spot, puts on the spot, putting on the spot, more... ▸ Words similar to on spot ▸ Usage examples for on spot ▸ Idioms related to on spot ▸ Wikipedia articles (New!) ▸ Words that often appear near on spot ▸ Rhymes of on spot ▸ Invented words related to on spot