Fapping is 2 words combined.
Yapping and Facting; When you are yapping but you are still spitting facts = fapping
*2 people in an argument*
person 1: How am I wrong? I'm legit fapping in your face!
person 2: I can't take all of this fapping you win...
Priest: Are you humble under god?
Young thug: I'm always thuggin'.
*He's humble under God at all time.*
Thug is a word short for Truly Humble Under God made by Young Thug.
Priest: Are you humble under god?
Young thug: I'm always thuggin' !
or
Young thug: I'm always humble under god!