What is Jackhammering?
1.
when a man is having sex really fast like when jacking off hence jackhammer.
he was going so fast, he just kept jackhammering Me. it is not fun Having sex with him
See
2.
when you're fisting a girl in the vagina and anus at the same time. (i.e. like you're using a jackhammer)
JB: dude, where we're you last night?
Dani: jackhammering
yer mam lol
Dani: i got in there right up to the elbows
See
3.
when you do someones mom wet style with some mayo and a crowbar and you put the juice in their ear
dude i put my jackhammering juice in your moms ear it was fucking awsome
4.
when you do a chick.. or if ur a FAGGOT in the ass really hard and you move to all of these new positions while still in her ass hole and pound in and out really hard and very fast
damn that chick was so fucking tired after just 5 minutes of me jackhammering her
