...And Boy are My Arms Tired

...And Boy are My Arms Tired is a damage challenge in Fallout: New Vegas.

Challenge requirements
The Courier must deal 100,000 points of damage with unarmed weapons.

Effects
Grants 75 XP upon completion.

Behind the scenes
The name of this challenge is a reference to the Stock Shtick pun "I just flew in from [location], and boy are my arms tired!"

…Мы махали и махали, наши рученьки устали