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1.
A person who get's straight A's in school
Michael: Hey, look at my report card. I got all A's bitch.
Samuel: Ah! School Boy!
by Amos Nusheg October 08, 2007
57 21
 
2.
1. An error made generally through lack of experience. A shortened form of schoolboy error
2. Derogatory phrase used when someone makes an error or goof or misplays

See also schoolboy defending
*Brad makes misplay*

"Schoolboy!"
by Eddie Ross June 28, 2006
23 4
 
3.
THAT KID in grade/high school that never did anything wrong in fear of the repercussions, i.e. bad grades, people thinking less of him, or getting yelled at by mommy. usually a tall lanky kid that goes to college and becomes a pothead!
why do you study so much lapo, your such a SCHOOL BOY!!!
by jg85 December 30, 2008
30 14
 
4.
A way of pissing urinating against a wall during a drunken state whilst pulling your keckstrousers (including undiesunderpants) down to your ankles and lifting up your shirt. This is known as a schoolboy as it replicates the way little children piss in urinals in public toilets and the way we all pissed as a school boy. A true schoolboy will involve pissing no handed whilst holding up your shirt with both hands.
"Did you see Callaghan doing a Schoolboy at Leedsfest whilst Arcade Fire played? What a dire choice of headliner, although they are a great live band and help Leeds maintain its musical credibility".
by SchoolboyCallaghan August 31, 2010
14 9
 
5.
British slang. Short for a "schoolboy mistake".

1. A trivial mistake that an inexperienced person might make.

2. A short-sighted mistake that could have been avoided with more care.

Similar to a "rookie mistake" in US slang.
You wore sneakers to the hottest nightclub in town? No wonder you got turned away at the door. That was a schoolboy.
by wizurdUvRythmn February 28, 2011
4 3
 
6.
Slang-term for Codeine back in the day.
Man, I am high on schoolboys! Let's hang out after school and do some schoolboys together! Pastor John is in rehab for doing schoolboys. Can I get a schoolboy from you?
by 68whisky February 21, 2011
5 5
 
7.
The act of kneeling behind someone while someone else pushes them over you.
Mike just got school boyed by John when Steve kneeled down behind him
by TKEAT May 25, 2009
7 10