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1.
La•lla•na (lä'yä'nä), n. 1. A person (presumably male), who furtively ejaculates into a beverage container, then proffers said container to another person, to drink.

2.(v) To furtively ejaculate into the beverage of another.

Citation: An Orange County man convicted of ejaculating into a co-worker's water bottle has been ordered to pay the woman more than $27,000.

The Los Angeles Times says a judge on Monday ordered Michael Kevin Lallana to pay the woman for loss of wages, therapy and medical expenses.
1. "Michael was fired, and forced to pay restitution, when his boss found out he was a Lallana."

2."Bethany totally freaked out and puked, when she found out that Michael had Lallana'ed in her Pepsi"
by Abejuan August 09, 2011