1 definition by delilahsez

Top Definition
Involuntary Pig Snort
The sound that a person often makes while laughing hard and breathing in at the same time. This sound is just like the sound of a pig snorting through their slop at meal time.

The sound often made when someone says they are LMAO.

omg, I am so lmao that I can't stop IPS ing
by delilahsez August 02, 2009

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