Top Definition
The incredibly stupid things you say when you are overly tired.
At around 1 am, Stephanie started telling knock-knock jokes and giggling. Mark told her she was talking yawnsense.
by kcitsleipztirf November 04, 2010

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The degree of one's susceptibility to yawning after experiencing another's yawn.
His yawnsense was so acute, he would yawn after his next door neighbor yawned.
by Alden Andrews January 23, 2008

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.

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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).

Buy the t-shirt