"1th" is what people who don't know any better use in place of "1st". "2th" and "3th" also may be used by the same individuals.
by Patriplexity January 4, 2014
Get the 1thmug. 1st base, only really, REALLY depressing. Often involves use of nose or teeth, and results in never seeing each other again.
by King Widge August 30, 2014
Get the 1th basemug. by A.frog.from.outer.space June 4, 2021
Get the january 1thmug. 