Bet you turn zero when them lions out there
Take your stripes like a tiger, leave you lying out bare

from Los – I Do (Freestyle) Lyrics on Rap Genius

Meaning

“Bet you turn zero when them lions out there
Take your stripes like a tiger leave you lion out bear (lyin' out bare)”

you turn into a coward when there are challengers (Los) so he will take your stripes (pride) like a tiger and leave you with nothing left (lyin' out bare). Lion out Bear goes along with the Tiger line as a reference to the Wizard of Oz when Dorothy is afraid of Lions and tigers and Bears

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