Top Definition
Illegally or unethically obstructing someone from achieving their goal either by physically or figuratively getting in their way.

Synonyms: cock blocking, torpedoing, sniping
Mike Tomlin, coach of the Pittsburgh Steelers, stood too far over on the sidelines and prevented a player from the Baltimore Ravens from making a touchdown that would've put the game away thereby creating the act of Tomlining

One of my co-workers tomlined me by bad mouthing me to my boss just when I was about about to get promoted.

Kanye West tried to tomlin Taylor Swift at the Grammys.
by Tenacious Faulker December 01, 2013

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