This is the 11909th most frequent Turkish word.
geçirmesini
"Geçirmesini" means "the act of passing or spending (something)."
Here, 'geçirmesini' denotes the desire to 'spend/have' a pleasant time during an event (a birthday).
Arkadaşına güzel bir doğum günü geçirmesini diledi.
He wished his friend to have a nice birthday.
In this sentence, 'geçirmesini' refers to 'catching/experiencing' an illness or health issue.
Hasta olmamak için önlem alarak hastalığı geçirmesini engelledi.
He prevented catching the illness by taking precautions.
Here, 'geçirmesini' implies 'causing damage' as a consequence of actions involving the luggage.