This noun typically refers to someone who claims that they can execute a difficult physical stunt, when in reality, they cannot, and are merely seeking props from fellow activity partners.
Raul: "Yeah? Show them to me right now."
Fuji: "Well, my ankle's kinda sore, so I can maybe do half a backflip right now."
Raul: "You're full of shig."
Fuji talks a lot of shig.
Etymology: Portmanteau, adapted from the onomatopoeic transcription of both Jack Black's power-scatting technique and Woody the Woodpecker's trademark laugh ("Shiggideh-geh-geh!")
Date: 21st century
1. to meet, esp. for pick up or transportation
2. to borrow
3. to take action quickly and without qualification
2. "Lemme shig that right quick."
3. "Dude thinks he can shig out that thesis the week before and be okay."