When giving a charge or oral sex or a kiss and their mouth is awfully moist and wet
You need to wipe your mouth cuz you got major flipper lip unless your gonna use it somewhere else
A light to mid-dark skinned black person whose lips & gums have a reddish (liver colored) hue to them. (Often contrasted with the light-skinned High yellow & the dark-skinned Blue gum blacks)
Barrack Obama, Tyler Perry, Will Smith, & "the Rock" are all a bunch of liver lips
(Contrasted against Don Cheadle, Jamie Fox, & Bryan Tyree Henry, who are blue gums; Michael Ealy, Barrack Obama, & "Drake" who are High Yellows)
A man/woman who has given so many blowjobs that their lips are forever a deep blue or purple hue.
Maria sucked so many dicks that she got a bad case of Thunder Lips
A dorky human named Mathew Milho
"Wow, you're such a boo lip!" Said the amazing and awesome women, Danielle.
Typically used as in tickling ones mouth but also can be used in slang as in tickling a women's private region.
Man that girl’s ticklish lips were so wet..