Older Slang
"The Cat's Pajamas"
It means something is truly excellent, or as good as it gets.
"Fire"
Hot, trendy, amazing, or on point
Beat around the bush
Avoid saying what you mean, usually because it is uncomfortable
He has bigger fish to fry
He has bigger things to take care of than what we are talking about now
"Twitterpated"
This means you're feeling a bit lovestruck
"Salty"
Bitter, angry, agitated
A dime a dozen
Something common
You can't have your cake and eat it too
You can't have everything
"Tickety-Boo"
This means everything is correct or OK.
"Lit"
Amazing, cool, or exciting
Miss the boat
It's too late
You can't make an omelet without breaking some eggs
There's always a cost to doing something
"Canceled Stamp"
Theis means shy or introverted
"GOAT"
Greatest of all time.
Barking up the wrong tree
To be mistaken, to be looking for solutions in the wrong place
You can catch more flies with honey than you can with vinegar
Being nice gets you what you want more than being rude
"Gigglemug"
Someone who has a perpetual smile,
"Tea"
Gossip, situation, story, or news
A bird in the hand is worth two in the bush
What you have is worth more than what you might have later
The elephant in the room
The big issue, the problem people are avoiding