Here's a few Michael.
LOL - Laugh out loud
BRB - Be right back
BTW - By the way
LMAO - Laugh my ass off
WTF - Contains a swear word with the first part being 'What The'
GF - Girlfriend
BF - Boyfriend
GSOH - Good sense of humour
OMG - Oh my God
IMO - In my opinion
OTT - Over the top
The funniest one I've heard is SINBAD which isn't used much.
(Single Income, No Boyfriend, Absolutely Desperate)![]()