50501 en · PROPN
Etymology
Originally an abbreviation of 50 protests, 50 states, 1 day, as the movement originally planned to have a single day of protests across all 50 states. Now an abbreviation of 50 protests, 50 states, 1 movement.
Meanings
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(US) A grassroots movement opposing the second Donald Trump administration.
Unlike the February 5 rallies, the 50501 organizers are encouraging a "day of action" for President's Day.
2025 February 12, Jenna deJong and Natalie Venegas, “50501 Organizers Launch 'Not My Presidents Day' Nationwide Day of Action”, in Newsweek: