A lolgasm is where you are laughing so hard you just can't stop.
lolgasm = a laughing orgasm
used more so between mates.

the act of laughing so hard you can no longer breathe and have pain in your chest from laughing that hard, similar to the gigglegasm but on a larger scale

BAsically an orgasm of laughter

Something so funny that it results in an orgasm.

when a person laughs so hard they have an orgasm,
most commonly found in woman

noun, the act of laughing while mastaurbating vigorously to humorous and somewhat weird pornos

Lolgasm is like an orgasm for your laughing muscles. If something is very funny, and you laugh uncontrolably, this is a lolgasm. Typically, when you laugh so hard you can't breathe or it hurts, this is a Lolgasm moment.