Full of the joys of spring is a saying about someone, who appears to be happy.  Spring is associated with new life, leaves, blossom and lambs gambolling in the fields.

He who laughs last laughs longest is a proverb.  I associate it with jokes played on people, who then get their own back and have the last laugh.

The joke’s on you, might be said to the first party here.  In this phrase on is used to mean against It is often cruel to tell a joke about someone else, but if you are brave enough to tell a joke about yourself it could be funny, although some people might be embarrassed for you!

That made me smile.  That” could have been a few words, an action or a change in attitude.  That brought a smile to his face.  I think an emoticon might be in order here.  🙂  I first noticed these in or after 1997 in my son’s schoolbooks.  Teachers were using them in addition to ticks and crosses.

Boisterous is energetic, (violent, rough or noisily cheerful).

Rough-and-tumble may be used as an adjective meaning irregular, disorderly or as a noun to describe a fight.  Shenanigans are nonsense, trickery or high-spirited behaviour.  (I consulted the Concise Oxford Dictionary for these three.)

One song to the tune of another is an entertainment made popular by the Radio show I’m Sorry I Haven’t a Clue.

Dump has many meanings one is that it is an Elizabethan dance (as in the reign of Queen Elizabeth I).

Dead pan is an expressionless face.  While it is not considered good manners to laugh at your own jokes, if you tell them dead pan your audience may not know how to react.

Mixed signals is a phrase used when someone’s body-language and words do not make their feelings clear.

There was a song intended to cheer soldiers up:-

Pack up your troubles in your old kitbag and smile, smile, smile.

Matthew 6:24-34 is a report of Jesus’ teaching about trouble and worry.