Lacking power and/or substance.

Used to describe a poor performance in sporting activities or daily life.

Also commonly used in fantasy football leagues as smack talk.
Man, did you see Mike miss that football by a mile? He's like a teabag in the ocean out there.

or

I'm sorry Mr. Mason, your last report from the press department was like a teabag in the ocean. Weak!
by James Strange November 3, 2007
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