Acronym for "I swear on my life". Used when someone is not believing you when it's obvious you're not lying or when you are really pissed off.
1: ISOML that I'm actually an English speaker and not a Mexican.
2: ISOML if you don't shut the fuck up I will dox you to everyone here
2: ISOML if you don't shut the fuck up I will dox you to everyone here
by alibabasfifthgoat December 03, 2016