Definitions by Libraryguy

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.

T.H.O. by Libraryguy June 25, 2009

Tuneup 

masturbation

someone may give themselves a tuneup before going on a date to relieve any sexual worries ahead of time.

Tuneup by Libraryguy June 25, 2009

Quarter 

using a quarter to help insert something into yours or someone elses anus

Em couldn't get the last bead inserted until she decided to quarter it.

Quarter by Libraryguy June 25, 2009