The common practice of amateur radio operators of answering a question which was not asked, using as many irrelevant facts as possible, some of which may be correct.
If you want to hamsplain properly, you begin by citing your accomplishments, and end with a homeworkassignment.
When a group of guys are making ham sandwiches and run out of mayo so they decide to jerk off of the sandwiches then finally sending those sandwiches to third world countries
abbreviation for a ham sandwich, in times when you don't have time to say the full expression.
nickname for scott's fat gf.
'i could eat a hamsam right about now now'
' dude, thats scotts girl!'
' no you fuckwit, i meant a ham sandwich. i would never eat out that fatty-boomba.'
'oh, sorry, i totally misunderstood coz hamsam has 2 meanings.'