ffm
noun 4
Definitions
noun
1
Abbreviation of fat free mass.
2
Initialism of female female male (“a sexual act between two females and one male”).
3
Initialism of full face mask.
4
Initialism of fine fuel moisture.
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noun
Abbreviation of fat free mass.
Initialism of female female male (“a sexual act between two females and one male”).
Initialism of full face mask.
Initialism of fine fuel moisture.