Define T.h.o Meaning

T.H.O
Titty Hard On the act of ones nipples contracting and getting "hard"

Maggie was embarassed because all her class mates could see her T.H.O through her shirt.
By Seline
T.H.O.
Titty Hard On.

Coined by William Boland in 1989. Although most likely used before then.

That girl was either cold or she liked what she saw cause she had a major T.H.O.
By Zabrina
T.H.O.

Dude check it out, that girls has T.H.O. ... it must be really cold outside.

Damn, she has major T.H.O., she's cutting glass!
By Adiana