쉴드치네. 쉴드치고 자빠졌네. 쉴드치고 지랄이네

쉴드친다 (Swildeu Cinda) means

Block with a shield. Put up a shield to block an attack.

Shield (Swildeu, “shield”) is an easy Korean pronunciation of the English word shield.

Cinda (Cast) means to raise a shield to block an enemy.

쉴드친다 (Swildeu Cinda) is a popular word on the Internet. It has several meanings. To defend one’s actions or words, to use a defensive attitude or language, it is called 쉴드친다 (Swildeu Cinda)

Unconditionally defending or covering up the mistakes of a star or someone you like is also called 쉴드친다 (Swildeu Cinda)

When there is an argument, taking one side, explaining the situation, or making excuses on behalf of someone being criticized is also called 쉴드친다 (Swildeu Cinda). The act of swaying public opinion by hitting back can also be expressed as 쉴드친다 (Swildeu Cinda).

some similar expressions are

쉴드치네. 

쉴드치고 자빠졌네. 

쉴드치고 지랄이네

쉴드친다 (Swildeu Cinda) itself has a slang or buzzword feel, so it is often used with low-level words.