Used in the gaming community, it can be interchangeable with the word "strengthened".
The weapons in the game were too weak, so the programmers buffed them to appease the groaning game users.
by Good Gnus July 7, 2014
to be watching a video and have it begin buffering half way through, especially if the video is being show for a large public presentation
"You got buffed!" or "That presenter got buffed half way through his video about africa, so the assembly took twice as long."
by MOON-E July 7, 2009
Damn bruh he buffed your ass yesterday
by 8100stunna December 14, 2018
When men/women who are firefighters, EMS, or police officers yell GO FUCKING GET EM BROTHERS as loud and crazy as they can when an fire truck, ambulance or police car with lights and sirens on drives by the
Buffing is went about as follows, for example :

oh my god, truck 21 GO FUCKING GET EM BROTHERS, FUCK YEAH!!

“Oh my god it’s RESCUE 63 the heavy duty ego company GO FUCKING GET EM BROTHERS FUCK YEAH!!! EXTRICATE THAT EGO!!!”

“Also knows for saying drop your socks and grab your cocks, GO FUCKING GET EM BROTHERS”
by Firefighter110 October 30, 2019
to be well-built or stocky and muscly
Damn, see that guys muscles? He's buffed to the max.
by auTeX April 21, 2005
Graffiti terminology. When your shit gets painted over by the authorities, MTA, property owners etc
"Yo that ill piece I did on the highway overpass got buffed by the man"
by MTISM September 5, 2005
Buffing is to have playful sex, Its fun, light hearted and cheeky.
I met Nigel last night we endded up buffing!!!
Buffing him was the best thing I have ever done..
by Mopsey13 July 29, 2010