fall off the radar(redirected from fall drop off the radar)
fall off the radar
To be ignored or forgotten in favor of something more important; to fall into obscurity or disappear from public view. When the economy crashed, many social welfare projects simply fell off the radar. The band had a hugely popular single in the '80s, but they fell off the radar soon afterward.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.