Yet again, we're amazed this is somehow not common knowledge, so let's set it straight...
Unless you look like THIS:
You shouldn't be doing THIS in public!
Trim your fingernails and toenails so you're not a dirty ho.
Perform this action in public. Seriously, sicko.
Shoutout to Lori B. for the [indirect] suggestion. Good luck with your grotty office mate!
Kittyface McGee from Weddingbee
Sicko McSickerton from The Straights Times Stomp