Top Definition
A nerd who has not yet reached puberty mentally and has not yet expressed an interest in the opposite sex. Mainly of the male species and often plays Megaman or PSP or similar video games and has lame LAN parties and such.
"Hey, that guy's kinda cute. Wanna go talk to him?"
"Are you kidding me? Only from this far away. Up close, he's the epitome of a loser mcloserson!"
by hey797 March 14, 2010

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Any guy who is a science nerd, doesn't yet like girls, plays random video games, and talks to teachers for fun. Often named Martin.
Omg that kid is such a Loser Mcloserson
by losermcloserson January 13, 2010

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt