by Rlobfiah January 01, 2021
The shortened term for the Overwatch Transhuman Arm, a division in the Universal Union in the Half Life universe.
by VinnisVidya March 27, 2018
by KalvPants May 02, 2010
by Saggynutz August 08, 2019
You're at a bar and you see some fine early 30's to 40+ women. These types of women look out of place in a college bar. They are OTA. "Dude, check out those females over there" "Nice, but a little OTA"
by Greg610 July 15, 2006