A term a lot of British people use in place almost any and every noun, often to sound hip or smart. A lot of the time it is used because they could not think of another noun to use or do not want be so offensive as to swear in some way.
"Yeah, I was walking home from school when four chaps beat the guff out of me."
" I saw him too, what a guff."
"I was talking to Brad at work, when he asked me if I wanted some of this guff he was eating; I was like, hell no.""
"I came home and dad was pulling this guff from the drain, pretty rank stuff."
"Yeah, she looked like guff yesterday."
Randomer 1 "I put his guff in my guff and it felt like guff from Jack."
Randomer 2 " You sound like a gay guff."
Randomer 1 " How is liking guff gay?"
" I saw him too, what a guff."
"I was talking to Brad at work, when he asked me if I wanted some of this guff he was eating; I was like, hell no.""
"I came home and dad was pulling this guff from the drain, pretty rank stuff."
"Yeah, she looked like guff yesterday."
Randomer 1 "I put his guff in my guff and it felt like guff from Jack."
Randomer 2 " You sound like a gay guff."
Randomer 1 " How is liking guff gay?"
by Gorknex August 1, 2012
Get the Guffmug. 
Matt Donellan, the most guffiest kid. He farts, talks shit, and has the worse life ever. Straight up GUFF! No one ever date a guff, trust me, hes going to go after your little brother.
by Nicky Figs July 7, 2009
Get the Guffmug. A guff is a patch of hair located on a mans gouch or even possibly a womans. Guffs can be all different shapes and sizes.
by pussy cruncher September 8, 2011
Get the Guffmug. by Da Militia February 25, 2008
Get the Guffmug. by mcfcvince July 28, 2008
Get the Guffmug. another persons smart-attiude. There words that are totally uncalled for and are making them look like a butchi. See bitchi for more.
by Urban Dictionary April 22, 2003
Get the Guffmug.