they couldn't lie straight in bed
English
United Kingdom
Expression
USED
On Occasion
BY
Some People
The person referred to is very dishonest and is unable to tell the truth in any context.
"Boris Johnson couldn't lie straight in bed."
Submitted January 2021
by anonymous
Confirmed by 3 people
<script type="text/javascript" src="https://untranslatable.co/api/embedded_submissions/1921"></script>
<div id="submission_1921"></div>
<h2>they couldn't lie straight in bed</h2>
<p>The person referred to is very dishonest and is unable to tell the truth in any context.</p>