off the beam
prep_phrase1
Slang Crazy; insane.
- “They all thought I was off the beam.” He tapped his temple with a long, shaking finger. “But they come around.”2012, Matthew P. Mayo, Sourdoughs, Claim Jumpers & Dry Gulchers, page 163:
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.