So on and so forth. Used as a replacement word for an action that is either too obvious, banal and/or equivoque to speak aloud. Usually repeated; "yada, yada, yada". Is to action what blah is to spoken words.

A pick me is a woman that is willing to do anything for male approval. She will embarrass or throw other women under the bus to achieve this goal. The unfortunate thing about a pick me is usually the men they are trying to seek approval from are of poor quality and treat women badly, leaving little real benefit for the pick me.

The saying Yada Yada made popular by the Seinfeld show probably either originates from the Hebrew word yada "to know" or yadah "to revere or worship with extended hands".

Source: Strongs Concordance, Hebrew and Chaldee Dictionary of the Old Testament. 3034, 3035

Yada is a Hebrew word which literally means "to know." It has come to mean 'and so on, and so on, and so on,' or 'et cetera, et cetera, et cetera' which is latin for 'and so forth, and so forth, and so forth.' One can think of yada, yada, yada to mean, "you know, you know, you know" as if to say just more of the same as I've already told you.

a crystalline tropane alkaloid that is obtained from the leaves of the coca plant.

"Yada, Yada, Yada" is a phrase popularized on the Jerry Seinfeld show to imply sexual activity among unmarried persons. It may be related to the "ya,da' which appears in Genesis 19:5.

It's all right