dip into the blue

dip into the blue

euphemism To say something obscene. I'm sorry, I didn't mean to dip into the blue there—the whole situation just makes me so angry! Poor Bobby couldn't stop blushing after he accidentally dipped into the blue while talking to my grandparents.
See also: blue, dip
References in periodicals archive ?
Or do I tell the truth, dip into the blues and paint my cutoffs, the long stretch of an empty beach where I will rise from my cold hollow in the sand on Easter morning, when I hear the crackling of the fire?