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1.
The act of a woman pushing someone else's face into the space between her breasts.
Used often in anime for fanservice and comic value.
Negi struggled to breathe as Asuna shoved his face into her cleavage, subjecting him to Marshmallow Hell.
by CyberXIII May 13, 2009

Words related to Marshmallow Hell

boobs breast bust cleavage face