A non-offensive expression to illustrate concern following a scary incident.

An example of 'work mouth', self-censorship.

Phrase originated in the episode 'Speedy Death' of the BBC series "The Mrs Bradley Mysteries" starring Diana Riggs.
-then a car pulled in front of me and I nearly fell off my bike
-scary biscuits!
by Etymologylover February 23, 2011
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