Teeth

two slabs of concrete walked into a bar, theyre arguing over who is tougher. They order two strong drinks, pay and then sit down., suddddddddenlY!!!!!11! in walks a sheet of tarmac. the two slabs of concrete hide under the table- scared. the sheet of tarmac walks up the bar orders an orange juice, pays, drinks it then leaves. the two slabs of concrete come out from under the table, the barman asks them 'i thought you guys were tough' and they reply 'well we're tough but that guy's a cycle path'