Inopportune moment

This the sad story of two horny Spotted Sandpipers and one thuggish Tree Swallow. 

“Hey you idiot, you are at the wrong end. And get your feet outta my face.”  

“OK, I’m ready. Now, go around to the back.”

“Crumb, if you cannot get it right, I’ll turn around. Get on with it.”

“Look swallow, this is a really inopportune moment to visit. You ruined it just when he figured out how to….”