laughcrash 

when you get so tired from laughing you get tired and feel weak

‘hey bruh, wait why you look so tired’
‘I just laughed so hard’

‘ohhh I get yeah’
‘total laughcrash’

laughcrash by truewannabe99 April 22, 2021

laughlash 

Neck pain experienced from involuntarily tipping your head back quickly during a particularly strong - and usually unexpected - laugh

I'm still suffering from laughlash after you told me that brilliant joke

laughlash by x2zero June 15, 2009