We found one dictionary that defines the word runner in:

Slang (1 matching dictionary)

1. Runner-in: Dublin Slang and Phrasebook

▸ Words similar to runner in ▸ Usage examples for runner in ▸ Idioms related to runner in ▸ Wikipedia articles (New!) ▸ Words that often appear near runner in ▸ Rhymes of runner in ▸ Invented words related to runner in