Elephants have good memory
A Biplane.
Normal
Big holes all over Australia!
Hell-if-i-know (my grandma's favorite joke)
when you say one thing and mean a mother. Don't remember where I heard it. Haven't read it here yet.
Lettuce alone, without dressing. I remembered this today from a joke book I had when I was a kid. Wasn't sure if it should be here or /r/dadjokes
Their trunks.
Some idiot forgot to pull it out in time.
100% holy grain
Facebook produces too much plastics while r/jokes has 100% recycling rate.