"Whoever does not jump is Viktor Orban" they chant,
Hungary's prime minister, a pariah here among this coalition of opposition.
All day sunday, thousands - from the greens to the far-right - were united in anger.
Fed up with what they say is their government's creeping authoritarianism.
In the thick of the smoke bombs, tear gas and clashes - desperate voices plead for calm.
"Do not throw!
Do not throw!
Why are you throwing?"
Others pointed the finger at the police.
"I want to say that these protesters are here for you too.
For you and you and you, for all of you."
The outrage was sparked by a rowdy parliamentary session last week.
With Viktor Orban's government taking over control of a judicial system that has until
now been independent.
and weakened employment rights - described as a "slave law" by critics.
For many, this 7th constitutional change in as many years under Orban was the last straw.
"Well, I'd like to have a democracy here.
I'd like to live in a country where I can freely decide on what I can do and no decisions
are made above my head."
"We have unfortunately reached the point when the government interferes with almost every
bit of people's everyday life; in cultural administration, labour and healthcare."
The outcry is piling pressure on Hungary' government.
And puts its controversial leader on a collision course, not just with the European Union,
but with his own people.