have a laugh vs skit

have a laugh

verb

To laugh.
To joke; kid around.
To enjoy oneself; have fun.

skit

verb

To make fun of.
To leap aside; to caper.

noun

A short comic performance.
A jeer or sally; a brief satire.

How often have the words have a laugh and skit occurred in a corpus of books? (source: Google Ngram Viewer )