skull bump 

sniffing huge bumps of pain killers or cocaine as hard as you can, you feel it hit your skull.

"Can you believe those assholes kicked me out for skull bumping?"

skull bump by jaygoodie March 8, 2009

bump my skull 

An old term in the Illinois State Refromatory to define a lie.

It is opposed to "bumping my head" which defined a homosexual act of bumping the head of your penis with the head of another penis.

"Man, don't bump my skull with that shit".

"That punk was bumping my skull when he said that".

bump my skull by superyouper October 31, 2005

skulldump 

One order of magnitude larger than a "braindump"; the act of providing knowledge transfer; experience in written form.

"Terry is new to the team so we're going to schedule a skulldump session to get him up to speed."

skulldump by meshundies101 February 3, 2021

Skullsump(ed) 

Skull-sump(ed) :
the act of intoducing a bunch of muck into ones mind in order to decive or distract actual thought, or mind fuck distract a train of thought .

I was working on an important project and a co worker skullsumped me.

Skullsump(ed) by Deathraven April 14, 2005

Skullhump 

to ride the top of a bald (or balding) man's head until climax. The lesser-known sister-move to the more violent Skullfuck.

"That guy is so hot."
"Not the bald one."
"God yes the bald one. I just want to skullhump him until I collapse."

Skullhump by thetompkins November 13, 2012