This nifty hand squeeze t-shirt is not just a concept or one-off design, but rather one geeks can enjoy over and over. On a related note, did you know that the word “t-shirt” first became part of American English by the 1920s and became even more popular in the 1950s after Marlon Brando wore one in A Streetcar Named Desire? Printed T-shirts were in limited use by 1942 when an Air Corps Gunnery School T-shirt appeared on the cover of Life magazine. In the 1960s, printed T-shirts gained popularity for self-expression as well for advertisements, protests, and souvenirs. Product page. Continue reading for more ultra creative t-shirt designs that geeks would love.