Top definition
The act of pulling a limp penis out, slathering it in amish made jam/jelly (of your choice) and thwaping a female in the face until said penis is erect.
Tyler: How'd the date go last night?
James: Pretty Badass man katelynne let me give her a pennsylvania slamer!
Tyler: Fuck yeah, The grape jelly is the best.
by penetrationmachine69 March 14, 2015
Get the mug
Get a pennsylvania slamer mug for your guy Rihanna.