Will Ferrell And Mark Wahlberg Trade Playground Insults While Trying To Keep A Straight Face

"You smell like baby barf."

Will Ferrell and Mark Wahlberg made an appearance on  Scott Mills' BBC Radio 1 for a very important reason — to partake in the playground insults game. The game is pretty self-explanatory: The two grown men trade playground zings, and whoever laughs first loses. 

Sounds simple enough. Keeping a straight face, however, turned out to be quite the challenge for both actors. 

Watch the video below to see who cracks first.

Heads up: This video contains some profanity.