2)A situation in which males outnumber females greatly, literally too many penises in one room and thus a sausage sizzle.
3)Any gathering of more than five people where over 50% are male.
4)A bbq, usually for fundraising purposes, at which cheap sausages are cooked and sold in bread for around $1.50
See also sausage party
4)"How to raise funds for Little Jimmy's chemotherapy?"
"I know, let's have a sausage sizzle!"