Hold my beer
Used to express an individual's boastful intent to outdo another person as an act of sport or competitiveness, expressed immediately after hearing about their achievement. Frequently used sarcastically or ironically.
Example:
Coworker 1: "Did you hear that Dan got fired for setting Mike's chair on fire?"
Coworker 2: "Hold my beer"
Coworker 1: "Did you hear that Dan got fired for setting Mike's chair on fire?"
Coworker 2: "Hold my beer"