If you blow a raspberry...how would you spell it?

[nobodysfool]

Please help it is bugging me and a group of friends.
(bet your blowing one now)

[YesIAmParent]

Bltthhhhhh and that is final

[KingRara]

I was scrolling threw everybody's replies and honestly, I had to stop at your comment and clap my hands :')
Just the answer I needed!

[WouldHave]

I'm pinning my hopes on the current emphasis on SpaG in schools to save us from the horror of "could of" becoming standard usage.

[ShatnersBassoon]

Thpthpthpthpthp

[Niri1]

I believe you would spell it Phbssssp!

[Spookqeen]

hmmmmm what thread? Maybe I will, most likely I won't!

[Greydogs123]

Bllthhfftt

[ShowOfHands]

No idea what you're up to but thanks for bumping this blast from the past.

[Choccyp1g]

PLPLPL

[hereswhatIthink]

en.wikipedia.org/wiki/The_Phantom_Raspberry_Blower_of_Old_London_Town