It is an abbreviation for pantheon, which is a big dome. So this is a term for a blowjob.
Yo tell your mom I said thanks for the panth last night
by Chris Fonda June 01, 2007
1. n. Uncommon cute word used as an alternative to the word "pants"
I just went online looking to buy panths for my tushie!
by NYC October 16, 2004