He had to wait in a Q!
An erection.
Everyone thinks it's 'R', but his first love be the 'C'.
Too much Stalin'. Yeah it's bad but it made me giggle when I thought of it... :P
He was just minding his Ps and Qs.
After putting them in a dark room, you have to wait for the photograph to fully develop.
Waiting for a bus.
Q
A:To get to the bone! Q:Why did the bone cross the road A: To get away!