An alternative to the ubiquitously fuck off to imply unwanted company.
"Cock the cock off you ass raping donkey shit eater" - JP Williams 2005
by RickyP June 10, 2005
Like to fuck off with a little less gusto.
All those wearing red shorts can just cock-off.
by Nerdo September 18, 2003
When one does something stupid, wrong, they should 'Cockoff'.
Just Cockoff you twat
by 90Nz0 August 14, 2003
A humungous backside you could rest a cup on
'Wow!!! her cock off is immense!'
by nangishpasty February 05, 2010
The act of replying to an unwanted picture of a penis with a picture of a bigger penis.
I'm having a cock off with some creep who said 'hi sexy' and sent me a picture of his dick.
by glitterguts November 02, 2014