Knock, Knock...
Who's there?
Eureka!
Eureka who?
Eureka bad, man! Go take a shower!!!
How do you ask a tyrannosaur out to lunch?
"Tea, Rex?"
I was choking on carrots and all I could think of was, "I bet a donut wouldn't have done this to me!"
A teacher was telling her class about plant names that have the word "dog" in them, such as dog-rose, dogwood, dog violet.
She asked the class if they could name another flower with the preface "dog".
Steven raised his hand and said, "Sure Miss Jones. How about a 'collie' flower?"