Есть человек — есть проблема, нет человека — нет проблемы.
Wrongly attributed to Stalin: there is no evidence that he ever said or wrote something similar.
This phrase from the novel "Children of the Arbat" (1987) by Анатолий Наумович Рыбаков (1911 — 1998). As Stalin said about the execution of military experts in Tsaritsyn in 1918 : "Death solves all ...
So, "если да - то да, если не нет - то нет" means basically that all negotiations are done and no more bargaining is accepted. All the sides of negotiations should stick with what they currently have agreement upon. If somebody still believes that something should be changed, then no deal.
So, it is #1 in your classification.
It's not a high style ...
«Лысая башка, дай пирожка» is a children's taunting ditty, a teasing rhyme used to make fun of bald people. There's an urban legend saying this rhyme originated in the early 20th century Odesa, now Ukraine, where there was a bald man selling patties (пирожки) downtown, so children composed the rhyme and used it when buying patties from him.
It's a children's teasing chant (дразнилка). It's used to tease bald people.
Их девочка вдруг толкнула Соню в бок и прошепелявила:
— Лысая башка — дай пирожка!
— Лысая, потому что Настя уходила бродяжничать, потом всех заразила вшами, лишаями… ужас!
За столом, наложив в миски пурпурного винегрета, сидели двое мужчин, старик и просто мужчина, бритые и ...
The meaning may depend on the formality level of the conversation, though the very usage of it is quite informal already. While what @shabunc says may be true, this may also be a way to give a carte blanche, so to speak. Even less formal form would be:
да - так да, нет - так нет.
And the full version of the phrase in this case is:
It would be nice if ...
I should only add that some kind of bargaining in business is always acceptable. And although this phrase, while being highly emotional, strictly means that no further negotiations are accepted and the deal is only possible under the current conditions, in practice, it may rather mean that one side believes that the other side is seeking to change the ...