also: おもくそ
adverb
with all one's strength; with all one's heart; really; totally
Osaka dialect adverb used for doing something with full force, effort, or intensity. Similar to standard 思いっきり but with a stronger, more casual regional flavor.
See also: 思いっきり
おもっくそ走ったら、めっちゃ疲れたわ。
I ran as hard as I could and got super tired.
おもっくそ楽しんでや!
Have a blast, okay!