bookmonster 

A person who repeatedly tries to catch their friends doing things they shouldn't be doing.

Hey, I just booked you check out her ass.
Man shut up, you're a bookmonster.

bookmonster by Taffy Fiya February 10, 2009

Bookmonster 

When your so dummy high that your arms seize up in t-Rex fashion, you continually rock back and forward in either in a slow or a rapid fashion. During this a high pitched “Reeeeeet” is given off to scare of predators (may occur with many others drugs such as coke, ket and MD be careful kids they are dangerous).

Dave took and eidble and is fully become a bookmonster. He seems to want strawberry laces for some reason, I would give them to him so he doesn’t stab us

Bookmonster by Th3SpecialJuan March 3, 2021

BOPmonster

A woman who gives exceptional oral sex and enjoys it

Cameron diaz looks like a bopmonster

BOPmonster by Fredrocks February 18, 2011

bukmonster 

The 'Bukmonster' is a name given to a sneaky Japanese pervert who derives pleasure from publicly masturbating- whilst sneaking up on clueless girls and ejaculating on them, usually aiming for their faces.

See bukkake

Girl A: 'Oh Shit run it's the bukmonster!'
Girl B: (turns head) 'Where?'

**splat**

bukmonster by Nolan Pettersen March 13, 2008

Bookmeister

a person who has a powerful connection with the book (pronounced b-oo-k...not b-u-k)

He is a Bookmeister, we must be cautious

Bookmeister by How To Play December 1, 2020

hookmonster 

A philanderer; someone who has a wandering pee pee; someone who has seen more ass than a chair. Used as a term of endearment specifically in Killeen, TX.

Person 1: What up, hookmonster?

Person 2: You know it, ask your sister about that.

hookmonster by El Doctor December 28, 2005

bogmonster 

A member of the one of the British Ministry of Defence's covert special ops units, apparently originally named after their service in the 'Bogside' area of Derry, Northern Ireland during the troubles there. Known to have seen service in the middle east, Iraq and Afghanistan.

Reputed to have used baseball bats and swords & hammers during close quarter attacks to remove hard core IRA units rather than using firearms and having a reputation even amongst IRA units as ultra-violent with no apparent chain of command.

"There's monsters(bogmonsters) loose on the Bog(side) tonight"

bogmonster by Droopy_Bollocks May 14, 2014