lemme
Informal "allow me"
Lemme is an informal spelling of "let me," representing casual speech: Lemme see that, Lemme think about it.
Common in dialogue, texting, and informal writing where the speaker wants to capture how the words actually sound when spoken quickly.
gimme
Casual concession in golf
kinda · sorta · y'all · ain't · dunno · gotcha · c'mon · imma · tryna · finna
allow
Grant permission for
check · see · show · help · explain · tell · ask · give · handle · take
lemmeallow me
Offer to help
formal speech · may I · proper English · written English · if I may