crack up
US /kræk ʌp/
UK /kræk ʌp/

1.
kahkahalara boğulmak, gülmekten kırılmak
to laugh uncontrollably or to cause someone to laugh uncontrollably
:
•
The comedian's joke made everyone crack up.
Komedyenin şakası herkesi kahkahalara boğdu.
•
I always crack up when I watch that movie.
O filmi izlerken hep gülmekten kırılırım.
2.
çökmek, delirmek
to suffer a mental or physical breakdown
:
•
The pressure of the job caused him to crack up.
İşin baskısı onu çökertti.
•
She was afraid she would crack up under the stress.
Stres altında çökeceğinden korkuyordu.