Those are nipples.

( Dr. Shambolic je suis charlie, Wed 6 Jul 2005, 11:05, archived)

twiddling my nipples
makes my legs collapse, not unlike those little elasticated toys with the push-up button in the base
( Jadeviper was still alive on, Wed 6 Jul 2005, 11:09, archived)

*walks arround for a bit*

( Mornington Crescent Come the Envolution ..., Wed 6 Jul 2005, 11:15, archived)