An act where someone with a colostomy bag lays down on their back and allows their partner to insert their penis into the colon hole for sexual gratification
Alex decided they wanted to T-Bone with Jay for the first time 8 months after the accident, when they finally felt more comfortable with allowing things into their colon hole.
by Wallop-A-Gallop August 04, 2021
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The national holiday of giving your girl one extra bone on the second Tuesday of October.
Kevin: yo tomorrow is the second Tuesday of October

Tyron: so it’s t-bone Tuesday?
Kevin: hell yeah brother
by T-bone Tuesday October 07, 2019
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