1 definition by JRES1996
A nonexistent word used by certain individuals trying to exclaim that they are knowledgeable in the field of physics.
Bubba: Guess you don't know how to physisize bitch
Entire population of the earth: Physisize isn't a word.
Entire population of the earth: Physisize isn't a word.
by JRES1996 March 14, 2016