Instrument useful to the 'small man'. Its operation allows the penis to be enlarged for a period of time in which the man may involve himself in vigours sex
how two men who are secure with their sexuality highfive.
however, cockbumping two times or more consecutively is gay.
And protection is required for cockbumping a black guy.
Brad Pitt: "Hey antonio *cockbump*"
Antonio Banderas: "wassup brad *cockbump*"
Ryan seacrest: "hey Shaq *cockbump* *cockbump*"
shaquille o'neal: "hey ryan *cockbump*"
Ryan seacrest: "OMG u broke it! call 911!!!1!!"
shaquille o'neal: "hello 911? Ryan Seacrest is gay, he cockbumped me twice consecutively! kbai"