We found one dictionary that defines the word give a heads up:

Miscellaneous (1 matching dictionary)

1. give a heads up: Idioms

Phrases: when you give someone a heads up, more... ▸ Words similar to give a heads up ▸ Usage examples for give a heads up ▸ Idioms related to give a heads up ▸ Wikipedia articles (New!) ▸ Words that often appear near give a heads up ▸ Rhymes of give a heads up ▸ Invented words related to give a heads up