Sit on lap day
Your lap is the top of your thighs when you sit down, where your cat might sit. Lap can also refer to a trip around a racetrack, or to the act of overtaking a competitor by a lap. Lap is associated with a number of idioms. If something "falls into your lap," you have gotten something without making much effort.
Sit on lap day by Nagsnbev August 15, 2019
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