Crack wise
Definition 1 of 1
Pro Tip 1/3Colloquial Use
The phrase is casual and might not be suitable for formal contexts like academic writing or official speeches. 
When he tried to crack wise at the formal gala, it felt out of place.
Pro Tip 2/3Mood Lightening
Often used to lighten the atmosphere in tense or serious situations, but gauge the situation first. 
After the tense meeting, Jenna tried to crack wise to ease the tension.
Pro Tip 3/3Potential Misuse
Be careful, as attempting to crack wise can sometimes be seen as disrespectful or insensitive. 
Trying to crack wise at a funeral may offend someone.