Sweetj is a geocacher who notoriously hides impossibly hard caches. it means that something is difficult or hard, usually in a geocaching context. check www.geocaching.com for more info
1. Sweet Jeebus! I'm late! Where has the time gone?!!
2. Sweet Jeebus! You nearly scared me to death! Don't do that again
3. Sweet Jeebus! It's raining cat's and dogs outside!!
4. Sweet Jeebus! Please tell me you're just kidding!