Green’s Dictionary of Slang

the female breasts.

1955		B. Schulberg On the Waterfront (1964) 96: Blue-jeaned Melva with ‘Danger — T.N.T.’ proudly crayoned on her sweatshirt over her fat young teats.
1997		Solar Project ‘Zeitgest’ 🎵 on ...in Time [album] You wanna feel my Bethlehem steel / Mary Poppins, TNT, Bristol City / I bite into your cats and kitties.