Be the bomb
Definition 1 of 1
Pro Tip 1/3Slang Usage
Used mainly in casual settings among friends, not in formal situations or with authority figures. 
When I told my friends about my promotion, they said I was the bomb!
Pro Tip 2/3Positive Reinforcement
Expresses admiration or approval, often used to compliment someone enthusiastically. 
Your new dress is the bomb, everyone's going to love it!
Pro Tip 3/3Modern Popularity
It's modern slang that may not be understood by older generations or in all cultures. 
My grandpa was confused when I said his cooking is the bomb.