1. to break away from or rise against constituted authority, as by open rebellion; cast off allegiance or subjection to those in authority; rebel; mutiny:
to revolt against the present government.
2. to turn away in mental rebellion, utter disgust, or abhorrence (usually followed by from):
He revolts from eating meat.
3. to rebel in feeling (usually followed by against):
to revolt against parental authority.
4. to feel horror or aversion (usually followed by at):
to revolt at the sight of blood.
verb (used with object)
5. to affect with disgust or abhorrence:
Such low behavior revolts me.
noun
6. the act of revolting; an insurrection or rebellion.
7. an expression or movement of spirited protest or dissent:

Referring to the heavy unfashionable winter jacket and patterned mittens Sanders wore to the inauguration of Joe Biden.