when a guy's pants are so tight you can see his underwear lines.
I got a face full of manty lines today as I was walking up the crowded subway steps.
by Stephanie Ellis September 11, 2005

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Top Definition
The outlines of tighty whities through a mans even tighter pants.
Awwww, sweet Jesus, I can see Jeff's Manty Lines!
by Angry Token Office Guy September 29, 2006

The Urban Dictionary Mug

Lotsa space for your liquids.

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Lotsa space for your liquids.

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Your favorite word on a white mug.

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The Urban Dictionary Mug

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

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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

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a man who's tighty whities are so tight that the lines are visible through his sweats; pantylines for men.
girl 1: i saw your crush last night!!
girl 2: OMG how did he look??
girl 1: i mean he had mantylines soo...
by swichee November 14, 2011

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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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