1. buttcheck - Noun
2. buttcheck - Verb
buttcheck (plural buttchecks)
(US, snowboarding) the act of putting one's behind down to check a fall, while staying sliding along the snow on the snowboard
buttcheck (third-person singular simple present buttchecks, present participle buttchecking, simple past and past participle buttchecked)
(US, snowboarding) to put one's behind down to check a fall, while staying sliding along the snow on the snowboard