Its ambiguity can be used to misdirect or cover a friend you haven’t quite decided to allot into either the friend or f* category.
The “m” can be silent or dragged for varying degrees of honesty, deception, coyness, bashfulness, chastity, or modesty.
1) silent m
2) quick m
3) long m
“Yeh, she’s just a mfriend.”
2) “Didn’t get lucky tonight but thank God for my mmfriend.”
3) “She’s an uhmm…friend. She’s hella hot but I hate how she talks with food in her mouth.”