Plural possesive form of y'all. Used when addressing a group of 3 or more. Not to be confused with all y'alls, the plural non possesive form. 
Sometimes spelled as all ya'll's, depending on what state you are in.
Sometimes spelled as all ya'll's, depending on what state you are in.
by MichelleW August 1, 2006
 Get the all y'all'smug.
Get the all y'all'smug. by bigposerhead January 24, 2005
 Get the all y'allmug.
Get the all y'allmug. Southern slang for "your"
by Anomaly July 18, 2005
 Get the all y'all'smug.
Get the all y'all'smug. by Jokig May 19, 2011
 Get the All y'allmug.
Get the All y'allmug. Technically "all y'all" is overkill because "y'all" is a contraction of "you all" which already includes the word "all."
by Your Favorite Churro August 15, 2022
 Get the all y'allmug.
Get the all y'allmug. by lunar April 4, 2003
 Get the screw all y'allmug.
Get the screw all y'allmug. by lichno August 13, 2018
 Get the fuck all y'allmug.
Get the fuck all y'allmug.