having sex doggystyle and placing your thumbs to the sides of your head and extending your fingers like antlers. The girl (or guy) recieving is not supposed to know. If you have a witness you've joined the bull moose club.
Last night she had no idea I pulled a bull moose. Larry was secretly watching and now I'm in the bull moose club!
by h.d. April 15, 2006
Get the bull moosemug. by jwrites1 November 7, 2010
Get the Moose Knucklemug. by LogicSays June 11, 2018
Get the moose genitalsmug. 
Basically a cameltoe on a guy.
When a man's pants are so tight that the crotch seam on his jeans, well you can just picture the rest...
When a man's pants are so tight that the crotch seam on his jeans, well you can just picture the rest...
by banana1237 December 16, 2011
Get the moose nuggetsmug. to blow a load in a girls hair and then proceed to make antlers with her hair then drying and hardening
i sprayed my load on her head and gave her a creamy moose to make a nice rack to go with her nice rack
by what the faulk February 25, 2009
Get the creamy moosemug. by Woobilly Beall October 27, 2010
Get the drop a moosemug.