look up any word, like steppin on my dick:
interjection - The sound of a hesitant okay. Like, okay, that time is probably okay. So okay.
Dave - Wanna go on a beer run around 730ish?
Bill - Umk...
Dave - Not forcing you, man
by psizzle7 July 26, 2012
the word sam tries to get me to say and im like no! its mk. hes a dork.
Sweetblondie1590: mk
Sweetblondie1590: then i guess so
RiversideProphet: its "umk"
RiversideProphet: woooo
Sweetblondie1590: NO ITS MK
by laura January 05, 2005