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1.
male with whom another male masturbates. can either masturbate next to jack off buddy, or give him a helping hand with the favor being returned. good way to relieve stress.
my jack off buddy jerked my cock real hard the other day after my test. i returned the favor.
by stroke June 30, 2008
 
2.
A friend who helps you with mutual masturbation, usually male-on-male.
A jackoff buddy promises a more limited repertoire than a fuck buddy.
by al-in-chgo August 04, 2012