Middle aged man on a flying trapeze

Robert, normally a fairly talkative individual, almost always finds that airport security checks causes him to communicate in sign language.

...

Airport security official: Mind if I look in your bag, sir?

Robert: (gestures with a twist of an outstretched hand) Mmm.

Airport security official: We'll have to take the computer out and put it through separately.

Robert: (gestures with an uprising wrist, palm open upwards) Uh.

Computer passes through scanner

Airport security official: There you go.

Robert: (loads computer back into pack) Mm.

________
Voiceover
Robert does not reduce his communication consciously or deliberately. It is almost an instinctive defence mechanism kicking in.
...

Airport interrogation

May we aks you some question? We are sorry our poor English.

Sure.

Thanks you. Number one. Are this your bag?

Yes. It is my bag.

Good. Number two. You pack this bag yourself?

Yes I did. Then my cousin threw a couple of things in last minute like. But I packed it myself, yes.

OK. Number three. Did anybody give you something to carry?

I don't carry stuff for anyone. Besides the powder for my uncle in the militia, that is. Normally I only carry stuff that's all my own you know.

Good. Number four. Are you carrying any dangerous goods?

Nothing dangerous. 'Cept the mace and the AK47 that my cousin said I really should take along, but they don't count as dangerous.

Nothing dangerous. Thank you sir. You may board. Have a pleasant flight.