His statement is seen as an attempt to 'climb down' [='back away'] from the strong denial he made yesterday.
a 'climbing plant' [=a plant that attaches itself to something, such as a wall, as it grows up it]
The players 'climbed' into their uniforms [=put on their uniforms] and headed for the field.
(..) Slink, you think you can make it? Well, l might be old, but l still got a spring in my step. -He did it! -All right, Slinkykins. Okay, climb across. You lost, little doggie? Well, well. Look who's back. . . What are y'all doing? (..)2010 Toy Story 3