When someone has a tooth that seemingly grows in front of a row of teeth in an obtrusive and obvious way. Generally the misplaced teeth are so unsightly it comes as a shock when the person's mouth opens. Jewels teeth are a mild example.
That chick was hot, but when she smiled she totally had a lead blocker.
by talkradio January 30, 2009

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Top Definition
A large person you follow behind to get to the front of a crowded bar. Similar to how a running back follows an offensive lineman in football.
Chris: I've been waiting in this line for like 10 minutes, how'd you get drinks so fast?

Geo: I used Duke's giant girlfriend, Stacey as my lead blocker to push to the front.

Chris: She's quite the battering ram.
by ckwon December 24, 2011

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

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