白TしろてぃーしろティーMeanings1nounwhite T-shirtabbreviationcolloquialColloquial abbreviation of 白いTシャツ. Common in casual conversation and fashion contexts.今日きょうは白しろTにジーンズでいいや。A white T-shirt and jeans will do for today.白しろTって何なん枚まいあっても困こまらないよね。You can never have too many white T-shirts, right?