lmgtfy = (abbreviation) let me google that for you
www.lmgtfy.com lets you google for someone else. So for example, instead of answering a question, you get to be a smartass and answer it through Google!
Oft used texting expression employed by sms fanbois. lmgtfy grandma since you're still using legacy-sms for texting. Smart phones can engage legacy-sms via SIP, xmpp, and email.