Define M4a Meaning

M4a
MPEG Layer 4 audio. A fileformat generally used with music files that is higher in quality for about the same filesize. .m4a files are the most common file extension for audio imported off CDs using iTunes.

.m4a r0x0rz
By Ada
M4a
m4a is a music format used mainly by iTunes beacuse it SUCKS. It apparently is higher in quality, if it is, then it would just be wasted by the iPOd.

Me: Hey! Jack you still owe me 2 CD's
Jack: Hands over USB flash drive.
Me: Oh i can drag and drop it onto my creative zen. Plugs into school computer. " WHAT THE FUCK! M4A? Oh well I'll take it home and use NCH switch to convert the file format.
Me:Just Before Opening up NCH SWITCH.Hey, some are in MP3 format. Opens with creative mediasource organiser/player. an X on the song title. Calls jack. "YOU SON OF A BITCH YOU JUST CHANGED THE FILE EXTENSION"
Jack: Yeah it works aye?
Me: hang up.

Next day, at school
Me: Punches jack in the face. "WHY THE FUCK DO YOU USE ITUNES?
Jack: iPod.
Me: Rubs creative zen in jack's face
By Patience
M4A
Within the ASMR community among voice actors, it denotes that the actor is male and that the audio is directed androgynously, that is, it doesn't include any gendered names or terms when referring to the audience.

ASMR VOICE ACTING: Title here M4A Comfort for ____
By Carlotta
M4A
Short for Medicare for All. Used by progressives and progressive outlets like TYT when they explain policies regarding healthcare, particularly Bernie Sander's Medicare for all policy.

M4A would save money because there are no copays or premiums.
By Godiva