A Hippo is heavy and a Zippo is a little lighter.
Nothing bananas can't talk.
The door won't close
He didn't want to get hippothermia.
Hell-if-I-know!
A hippopottymouth
LOST!!
Helefino.
A smokesalottapotamus.
Because they're so good at it.
Hell if I know
Because they are really good at it.
One is really heavy, the other is a little lighter.
Yogurt's got a culture. (no offence)
A fortress has breastworks.
Do they follow territorial boundaries? If the Kaos Kommandos start a brawl in El Paso and it rolls over into Juarez, do they say "screw it, let Justice League of Mexico handle it"? (Sorry if this isn't technically a joke; it was my shower thought this morning and I thought it was funny.)
Let's Rock and Roll.
To get another degree. My sister thought it up and found it so funny she called to tell me.
A mutt in a rut!
Stand in the middle of the street. If someone yells, "hey, get out of the street" you're in the US. If they yell, "get out of the street, eh" you're in Canada
Make sure your doors are locked and windows bolted shut.
More doors.
The Hippocampus!
Hippocampus!
Marsh-Mellows
Go to a weight watchers meeting and roll Maltesers down the middle of their meeting circle.
A boa constructor!
To avoid debating Bernie Sanders