look up any word, like blumpkin:
 
2.
Musical term describing the rhythmic substance of a song or musical piece. To be of loud, catchy and energetic nature. Normally achieved through heavy and dominating guitar work.
How good's the guitar work in that song?! It is deadset riffin'!
by Dennis Scott September 15, 2003
 
1.
1. talking via stream-of-consciousness thinking
2. freeform talk
3. first-derivative talking
I sat down to write you a letter and then picked up the tape recorder and just "riffed" 'til the batteries deflated.
by William Dean A. Garner September 11, 2003
 
3.
Somebody or someone who is getting on your nerves.
Moms was riffin the other day fam.
by ren August 19, 2003