100: One to do it and ninety-nine to say "I could've done that."
to get to the other side
One, although it's probably screwed in too tight anyway.
less than twelve parsecs.
Allah them. (I googled several varations and thus far I believe I am the originator)
The 100 Meter Sprint
A receding hare line.
If you said "tear an ACL !" to a star athlete, you'd be shot on the spot.
Mortgage Freeman
One hundred and one. Two to wash it, one to dry it, and ninety eight to talk about how dirty it was.