Quoting erdinc:

the suffix -casına creates verbal adverbs out of verbs. It's meaning is "as if". Usually these are unreal analogies.

(infinitive: koşmak) koşarcasına : as if running
(infinitive: düşmek) düşercesine : as if falling

'Vurmak' is 'to hit' but "dışa vurmak" is an idiom.

Dışa vurmak: To express a feeling indirectly in something. To make a feeling recognisable or visible in something you do.

Quoting Kadir37:

-cesine, -casına, -çesine, -çasına

• Note 1: These suffixes are often seen attached after -miş inferential suffixes.
• Note 2: gibi may be substituted for the suffix -cesine, and its variations.

• Ãœnlü yıldız Jennifer Lopez, Los Angeles'ı terketti. Hollywood'dan kaçarcasına uzaklaşan Lopez, sakin bir yere yerleşmek üzere emsalsiz malikanesini de satışa çıkardı.
Jennifer Lopez has left Los Angeles. And, Lopez (who departed Hollywood as if fleeing) put her peerless mansion up for sale for the purpose of settling in a more tranquil place.

• Anahtarı kendi eliyle koymuşÃ§asına buldu.
He found the key as if he had placed it with his own hands.

• Ali hırsızı görmüşÃ§esine tarif etti.
Ali described the thief as if he had seen him.

• Ahmet kitabı okumuşcasına anlattı.
Ahmet narrated the book as if he had [already] read it.

Or,
using gibi as a substitute...

• Ahmet kitabı okumuş gibi anlattı.
Ahmet narrated the book as if he had [already] read it.

http://www2.egenet.com.tr/~mastersj/conjunction-celebration.html#-cesine

Quoting caliptrix:

"as if" bu mu demek oluyormuş?

Quoting bod:

Quoting caliptrix:

Çok güzel anlatmış, sağolasın.

Quoting bod: